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Australia Jewels — Bonhams

Auction House:BonhamsNumber of lots recorded:176
Sale Title:Australia JewelsLots with images:176
Auction Location:SydneyPrices available:145
Date:30-Nov-2022
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Diamond earring and ring suite, each of woven tri-coloured gold design pave-set with round brilliant-cut diamonds, mounted in 18ct gold, gross weight 28.4gm, ring size L, earring length 2 cm.
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Diamond necklace and bracelet suite, each of open-link design, collet-set in white gold with round brilliant-cut diamonds, estimated total diamond weight 3.20 carats, mounted in 18ct gold, gross weight 84.5gm, length necklace 38 cm and bracelet 18.5 cm.
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Van Cleef & Arpels, diamond bangle, of flexible design pave-set with brilliant-cut diamonds to the front, estimated total diamond weight 1.20 carats, signed VCA, numbered, French assay marks, weight 17.5gm, inner circumference 16.5 cm.
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Van Cleef & Arpels, diamond necklace, the front designed as a floral swag suspended from navette-shaped links, estimated total diamond weight 2.50 carats, signed van Cleef and Arpels, numbered, French assay marks, 18ct gold, weight 31.8gm, length 38.5 cm.
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Van Cleef & Arpels, diamond and onyx necklace and earclip suite, each designed as a ribbon bow set with round brilliant-cut diamonds and interspersed with circular-cut onyx, signed VCA, numbered, French assay marks, 18ct gold, gross weight 54.3gm, lengths necklace 38 cm, earrings 2.5 cm.
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Van Cleef & Arpels, diamond, gold and silver necklace, the bi-coloured tubogas necklace designed with a slide pendant set with round brilliant-cut diamonds, estimated total diamond weight 0.40 carats, necklace and pendant signed VCA, numbered, French assay marks, silver and 18ct gold, weight 34gm, length 39 cm.
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Van Cleef & Arpels, sapphire and diamond bow pendant necklace, the polished brick-link necklace centred by a bow set with brilliant-cut diamonds and circular-cut sapphires, estimated total diamond weight 0.40 carats, signed VCA, numbered, French assay marks, 18ct gold, weight 32.9gm, length 38.5 cm.
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Van Cleef & Arpels, emerald and diamond butterfly pendant necklace, the body of the butterfly set with a marquise-cut emerald to round brilliant-cut diamond set wings, to an integrated fine cable link chain, signed VCA, French hall marks, numbered, 18ct gold, weight 5.4gm, pendant length 1.2 cm, necklace length 43.5 cm.
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18ct gold and diamond necklace, the belcher link necklace suspended with three Chopard graduated heart shaped pendants each with a glazed compartment containing 'floating' brilliant-cut diamonds, pendants signed Chopard and numbered, necklace with Italian registry marks, 18ct gold, weight 117.2gm, length 44 cm.
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Diamond heart pendant, set throughout with round brilliant-cut diamonds, estimated total diamond weight 20 carats, mounted in gold, weight 16gm, length 3.3 cm.
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Bi-coloured gold necklace, designed as a row of heart shaped links in rose and yellow gold, Italian registry marks, 18ct gold, weight 31.2gm, length 43 cm.
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Chopard, 'Happy diamonds I love You' bracelet, the belcher link bracelet suspending five charms spelling out 'I love You', the heart-shaped pendant with glazed compartment revealing three 'Floating' brilliant-cut diamonds, signed Chopard to bracelet and charm, 18ct gold, weight 34.5gm, length 19 cm.
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Cartier, 'Draperie' necklace, formed by ten swags of beaded chain, suspending spherical drops inset with round brilliant-cut diamonds, estimated total diamond weight 0.45 carats, signed Cartier and numbered, 18ct gold, accompanied by fitted box, weight 104gm, length of shorted row 34 cm
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Cartier, 'Draperie' bracelet, formed by ten swags of beaded chain, set with round brilliant-cut diamonds, estimated total diamond weight 0.50 carats, signed Cartier, numbered, 18ct gold, weight 52gm, length 18.5 cm.
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Van Cleef & Arpels, diamond earring and ring suite, each channel-set with round brilliant-cut diamonds, estimated total diamond weight 40 carats, signed VCA, French assay marks, 18ct gold, weight 20gm, ring size M, earring length 2 cm.
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Gold necklace and bracelet suite, Italy, of brick-link design, maker's mark indistinct, Italian registry marks, mounted in 18ct gold, necklace weight 46.8gm, bracelet weight 23.6gm, length necklace 40.5 cm, bracelet 19.5 cm.
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Sapphire and diamond necklace, designed as a floral swag suspended with sapphire and diamond clusters, estimated total sapphire weight 50 carats, mounted in gold, weight 31.2gm, length 42.5 cm.
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Diamond hoop earrings, each set with round brilliant-cut diamonds with estimated total diamond weight 2.20 carats, mounted in gold, gross weight 27.7gm, length 5 cm.
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Diamond hinged bangle, Italy, set with baguette-cut diamonds estimated total diamond weight 0.90 carats, Italian registration marks, 18ct gold, weight 18.7gm, inner circumference 15 cm.
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Diamond necklace, bangle and ring suite, the necklace of torque design centrally set with a marquise-cut diamond, estimated diamond weight 10 carats, the hinged bangle and ring similarly set with marquise-cut diamonds, mounted in 18ct gold, inner circumference necklace 38.5 cm, bangle 16.5 cm, ring size K, gross weight 33.2gm.
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Diamond necklace, designed as a knot set with baguette and brilliant-cut diamonds to a polished omega-link necklace, estimated total diamond weight 1.50 carats, mounted in gold, weight 32.5gm, length 39.5 cm.
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Cerrone, gold and diamond necklace, formed by five yellow gold wires suspending fifteen round brilliant-cut diamonds collet-set in white gold, estimated diamond weight 10 carats, signed Cerrone, 18ct gold, accompanied by fitted box, weight 18.2gm, length of shortest row 38 cm.
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Diamond necklace, Italy, of rope twist design set with 68 round brilliant-cut diamonds, estimated total diamond weight 1.35 carats, Italian registry marks, mounted in 18ct gold, weight 68.8gm, length 42.5 cm.
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Three 18ct gold bangles 1. Tiffany & Co. Inner circumference 17.5 cm, 2. Tri-coloured gold hinged bangle, Italian registry marks, inner circumference 16.5 cm, 3. Bi-coloured gold hinged bangle, Italian registry marks, inner circumference 17 cm, gross weight 75gm.
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Cerrone, emerald and diamond necklace, the polished hinged necklace set to the front with an emerald and diamond cluster, the rectangular step-cut emerald with estimated weight 1.20 carats, estimated diamond weight 0.90 carats, one diamond deficient, signed Cerrone, 18ct gold weight 26.4gm, length 40 cm.
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Pair of emerald and diamond earrings, each earring set with an triangular-shaped diamond below a rectangular step-cut emerald, estimated weight 1.35 carats each, estimated total diamond weight 1.40 carats, mounted in gold, gross weight 2.6gm, length 1.3 cm.
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Collection of diamond and gem-set jewellery 1. A diamond hinged bangle set with round brilliant, carre and baguette-cut diamonds, mounted in 18ct gold, 2. A hinged bangle channel set with carre-cut sapphires, emeralds and rubies and accented with single-cut diamonds, mounted in gold, 3. A diamond ring channel-set with carre and round brilliant-cut diamonds, mounted in 18ct gold, gross weight 35.1gm, inner circumference 1st 16 cm, 2nd 16.5 cm, ring size K 1/2.
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Diamond bracelet, the yellow gold openwork links alternating with collet-set baguette-cut diamonds in white gold, estimated total diamond weight 1.10 carats, 18ct gold, weight 11.4gm, length 18.5 cm.
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Diamond pendant necklace, set with a heart shaped diamond, with estimated weight 1.15 carats within a stepped surround to an integrated flat curb link necklace, mounted in 18ct gold, weight 20.2gm, length 40.5 cm.
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18ct gold and diamond charm bracelet, Italy, suspending diamond set charms; club, heart, spade and diamond, estimated total diamond weight 1.20 carats, Italian registry mark, 18ct gold, weight 32.5gm, length 19 cm.
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Chopard, 'Happy Diamonds' necklace, the heart shaped pendant with glaze compartment revealing three 'Floating' brilliant-cut diamonds to an integrated polished flat curb link chain, signed Chopard, Swiss, 18ct gold, weight 22.5gm, length 43 cm.
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Damiani, 18ct gold and diamond brooch, designed as a gold mesh fan with the silhouette of a woman embellished with brilliant-cut diamonds, estimated total diamond weight 0.10 carats, signed Damiani, Italian registry marks, 18ct gold, weight 6.7gm, measuring 3 x 4 cm.
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Signoretti, 18ct gold and diamond necklace and bracelet suit, with pave-set brilliant-cut diamond accents, signed Signoretti, Italian registry marks, 18ct gold, gross weight 117.3gm, lengths necklace 45 cm, bracelet 18.5 cm.
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Gold and diamond necklace, earring and ring suite, each of fluted design set with round brilliant-cut diamonds, estimated total diamond weight 2.50 carats, mounted in gold, gross weight 53.8gm, length necklace 41 cm, earrings 1.5 cm, ring size K.
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Group of five gem and diamond rings 1. Set with triangular-cut diamonds and carre-cut blue sapphires, Italian registry marks, 18ct gold, ring size K, 2. Centrally set with an emerald cabochon to brilliant-cut diamond shoulders, 18ct gold, ring size O, 3. The heart shaped glazed panel framed with brilliant-cut diamonds, 18ct gold, ring size K, 4. Set with baguette-cut diamonds, 18ct gold, ring size L, 5. Designed as an infinity symbol set with brilliant-cut diamonds, Italian registry marks, 18ct gold, ring…
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Group of gold necklaces comprising 1. 14ct gold rope link necklace, length 80 cm, 2. 14ct gold flat curb link necklace, length 40 cm, 3. Chimento Italy 18ct gold fancy link necklace, 41 cm, 4. 18ct gold fancy link long chain, length 80 cm, gross weight 14ct gold 59.8gm, 18ct gold 48.4gm.
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Unoaerre, diamond necklace centred by a pear shaped diamond, weighing approximately 10 carat, between two triangular-shaped diamonds, signed Unoaerre, mounted in gold, weight 16.6gm, length 40 cm.
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Three pairs of diamond earrings 1. Pair of open work earrings set with brilliant-cut diamonds mounted in white gold, length 2.3 cm, 2. Damiani Italy designed as a double row of brilliant-cut diamonds, 18ct gold, length 2 cm, deficient two diamonds, 3. Damiani Italy of huggy design set with brilliant-cut diamonds, 18ct gold, length 1.5 cm, gross weight 16.6gm.
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Damiani, diamond pendant necklace, set with a row of four collet-set round brilliant-cut diamonds, estimated total diamond weight 10 carats, signed Damiani, Italian registry marks, mounted in gold, weight 14.4gm, length 40.5gm.
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Diamond pendant necklace, designed as a horseshoe shaped pendant suspended from a flattened curb link necklace, estimated total diamond weight 0.50 carats, 18ct gold, weight 12.3gm, length 39 cm.
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Damiani, gold and diamond necklace, of leaf design set to the front with alternating panels of round brilliant-cut diamonds in bi-coloured gold, estimated total diamond weight 0.50 carats, signed Damiani, Italian registry marks, 18ct gold, weight 62.5gm, length 42.5 cm.
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Rose quartz necklace composed of fifteen faceted beads, silver clasp, length 45 cm.
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Turquoise bead necklace composed of 47 graduated spherical beads, measuring approximately 10.20 - 14.10 mm, weight 98.5gm, length 62.5 cm.
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Turquoise and diamond ring, set with two polished cabochon turquoise beads each measuring approximately 14.15 x 13.85 to a rope twist gold mount, estimated total diamond weight 0.60 carats, mounted in 18ct gold, weight 15.9gm, ring size M.
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Paolo Costagli, turquoise and diamond earclips, the pear shaped sleeping beauty turquoise cabochons within a border of brilliant-cut diamonds of yellow tint, total known diamond weight 2.55 carats, signed Pc, mounted in 18ct gold, diamonds untested for origin and natural colour, gross weight 28.8gm, length 3.3 cm.
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Opal and diamond ring, set with an oval opal measuring approximately 24.15 x 20.35 x 5.55 mm, accented with round brilliant-cut diamonds, estimated total diamond weight 0.35 carats, mounted in gold, weight 31gm, ring size S.
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Large opal brooch, designed as a floral bouquet composed of seven oval opal doublet plaques, two with blue green play of colour, five displaying extensive multi-colour fire, mounted in gold, weight 42.9gm, length 11 cm, width 8 cm.
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Opal and diamond ring, set with an oval shaped opal measuring approximately 14.78 x 13.10 x 5.26 mm, set in a textured mount, estimated total diamond weight 0.80 carats, signed Kevin, mounted in 14ct gold, weight 12.4gm, ring size Q.
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Ruby and diamond bracelet composed of twenty-four clusters of oval-shaped rubies and brilliant-cut diamonds, rubies estimated total weight 110 carats, estimated total diamond weight 1.40 carats, mounted in gold, weight 13.2gm, length 18.5 cm.
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Pair of platinum and diamond earclips, of floral spray design set with brilliant, single, baguette and kite-cut diamonds, estimated total diamond weight 10 carats, mounted in platinum, weight 13.8gm, length 2.5 cm.
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Platinum and diamond ring, of bombe design centred by old European-cut diamond weighing approximately 0.75 carats, between rows of old European and baguette-cut diamonds, estimated total remaining diamond weight 3.40 carats, deficient one diamond, weight 9.2gm, ring size H 1/2 with sizing beads.
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Five stone diamond ring, designed as a graduated row centred by an old European-cut centre diamond with estimated weight 0.85 carats, estimated remaining diamond weight 1.30 carats, mounted in platinum weight 4.4gm. Ring size O.
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Platinum and diamond double clip brooch, of openwork design, set throughout with single, round brilliant and baguette-cut diamonds, estimated total diamond weight 5.50 carats, gross weight 15.9gm, length 4.5 cm.
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Diamond bracelet, the openwork articulated plaque centred by a old European-cut diamond with estimated weight 0.75 carats and set throughout with similarly cut diamonds, to an open link bracelet, estimated remaining total diamond weight 2.70 carats, weight 33.5gm, length 20 cm.
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Sapphire and diamond earclips, of floral motif, set throughout with single-cut diamonds, accented by circular-cut sapphires, estimated total sapphire weight 10 carats, mounted in platinum, gross weight 5.2gm, length 1.5 cm.
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Sapphire and diamond bracelet composed of twenty-four oval-shaped sapphire and brilliant-cut diamond clusters, sapphires estimated total weight 120 carats, estimated total diamond weight 1.45 carats, mounted in gold, weight 13.6gm, length 18.5 cm.
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Gem-set, onyx and diamond bracelet composed of seven openwork panels set with foliate carved emeralds and rubies, brilliant-cut diamonds and vari-cut sapphires, rubies and emeralds within an onyx frame, alternating with brilliant-cut diamond spacers, Italian registry marks, 18ct gold, weight 136.6gm, length 20 cm.
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Universal Geneve, 18ct gold cocktail watch, of bi-pass design, the watch set within the one ball terminal, manual wind, signed universal Geneve Brevete, numbered, 18ct gold, weight 32gm, inner circumference 17 cm.
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18ct gold fancy link strap bracelet composed of bi-coloured brushed and textured links accented with white gold lozenge panels, 18ct gold, weight 77gm, width 3 cm, length 19 cm.
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Gold and diamond cocktail watch, the champagne dial with Arabic and baton hour markers, manual wind, the rectangular case with round brilliant-cut diamond set lugs to a tank bracelet of polished raised and sculptured links, signed to dial National Citation, signed to crown Centima, 14ct gold, weight 65.2gm, inner circumference 18 cm.
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Diamond cluster ring centring a round brilliant-cut diamond with estimated weight 10 carats within a surround of brilliant-cut diamonds, remaining estimated total diamond weight 20 carats, mounted gold, weight 9.3g, ring size S 1/2.
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18ct gold long chain, Italy, of fancy link design, 18ct gold, Italian registry marks, weight 27.5gm, length 105 cm.
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Krugerrand pendant necklace, the Krugerrand, dated 1975, weighing 1 oz, within a fancy link frame and suspended from a matching fancy link necklace, mounted in 9ct gold, gross weight 131.2gm, pendant length 6.5 cm, necklace length 62 cm.
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Gold necklace, of flat curb link design, 9ct gold, weight 110.8gm, length 56 cm.
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Diamond cluster ring composed of 19 round brilliant-cut diamonds, estimated total diamond weight 50 carats, mounted in gold, weight 11.8gm, ring size R 1/2.
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Diamond cluster ring, set with a cluster of nine old-mine and old European-cut diamonds, estimated total diamond weight 2.60 carats, mounted in gold, weight 6.7gm, ring size O.
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Jadeite, diamond, onyx and ruby pendant/brooch, the green jadeite plaque measuring approximately 4.60 x 2.90 x 3.85 mm, carved in floral and foliate design, suspended from an articulated geometric surmount set with onyx, brilliant-cut diamonds, step-cut and bead rubies estimated total diamond weight 0.30 carats, mounted in 18ct gold, weight 21.3gm, length 9.3 cm.
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Bucherer, 18ct gold and diamond necklace, the brushed flat link gold necklace set to the openwork front with a graduated row of sixteen round brilliant-cut diamonds, estimated total diamond weight 1.20 carats, signed BC, 18ct gold, weight 72.6gm, length 45 cm.
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Diamond ring, set throughout with round brilliant-cut diamonds, estimated total diamond weight 4.50 carats, mounted in gold, weight 17gm, ring size V.
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Diamond necklace, the front set with fifty six round brilliant-cut diamonds to a polished brick-link and snake link necklace, estimated total diamond weight 1.40 carats, mounted in 18ct gold and silver, weight 30.4gm, length 50 cm.
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Sapphire and diamond ring, the oval-shaped sapphire between fancy-cut sapphires and framed by round brilliant-cut diamonds, estimated total diamond weight 1.10 carats, 18ct gold, weight 5.7gm, ring size M 1/2.
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Sapphire and diamond Earstuds, each set with an oval-shaped sapphire with estimated weight of 0.50 carats, within a border of round brilliant-cut diamonds, estimated total diamond weight 0.25 carats, mounted in gold, gross weight 2.7gm, length 1 cm.
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Topaz and diamond cluster ring, the oval shaped blue topaz within a border of round brilliant-cut diamonds, mounted in gold, weight 7.3gm, ring size O.
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Topaz and diamond cluster earrings, each set with an oval-shaped blue topaz within a border of round brilliant-cut diamonds, mounted in gold, gross weight 8.7gm, length 1.5 cm.
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Diamond pendant earrings, the diamond set hoop suspending an elliptical shaped pendant set with brilliant and baguette-cut diamonds, estimated diamond weight 30 carats, mounted in gold, gross weight 8.6gm, length 4.8 cm.
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Canturi, 'Cubism' pave diamond ring, of geometric design, the openwork band pave-set with round brilliant-cut diamonds, estimated diamond weight 1.30 carats, signed Canturi, mounted in 18ct white gold, weight 22.3gm, band width 11.58 mm, ring size O.
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Bulgari, pair of 'Chandra' tourmaline and ceramic earclips, each set with a heart-shaped pink tourmaline, suspending a white ceramic bead, terminating with a green tourmaline cabochon, signed Bulgari, Italian registry mark, 18ct gold, accompanied by makers fitted case and box, gross weight 25.3gm, length 3.2 cm.
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Paolo Costagli, turquoise and diamond earclips, each having a circular-shaped sleeping beauty turquoise cabochon suspending a pear shaped turquoise cabochon, the Mount accented with round brilliant-cut diamonds, estimated total diamond weight 0.65 carats, signature Costagli partly obscured, mounted in 18ct gold, gross weight 8.5gm, length 3.5 cm.
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Paolo Costagli, citrine, sapphire and diamond ring, set with a rectangular step-cut citrine, with estimate weight 5.10 carats, between two similarly cut pink sapphires, estimated total diamond weight 0.25 carats, signed Costagli New York, mounted in 18ct gold, weight 5.8gm, ring size L.
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Ruby and diamond cluster earrings, each set with an oval shaped ruby, estimated weight 0.50 carats, within a border of round brilliant and marquise-cut diamonds, estimated total diamond weight 0.50 carats, rubies untested for origin and natural colour, mounted in gold, gross weight 4.9gm, length 1.6 cm.
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Peridot and diamond bracelet, set throughout with 52 oval shaped peridot and accented with round brilliant cut diamonds, estimated total diamond weight 2.80 carats, one diamond deficient, mounted in gold, weight 89.2gm, length 20 cm.
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Paolo Costagli, tourmaline, spinel and diamond ring set with an oval-cut green tourmaline with known weighing 2.26 carats, between oval-shaped pink spinels, estimated diamond weight 0.30 carats, signed Costagli New York, mounted in 18ct gold, weight 6.5gm, ring size M.
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Paolo Costagli, sapphire hoop earrings spectacle-set with oval-shaped multi coloured sapphires, with known total weight 19.13 carats, signed Costagli New York, mounted in 18ct gold, weight 12.2gm, length 4.5 cm.
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Paolo Costagli, topaz and diamond ring, of bombe design set with a cushion shaped white topaz, with estimated weight 9.30 carats, the Mount accented with round brilliant-cut black diamonds, estimated total diamond weigh 5.10 carats, signed Costagli New York, mounted in 18ct rose gold, diamonds untested for origin and natural colour, weight 15.5gm, ring size L.
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An exceptional diamond ring, set with a rectangular step-cut diamond weighing 2.46 carats to tapered baguette-cut diamond shoulders, mounted in platinum, weight 7.7gm, ring size M. Accompanied by GIA facsimile report no. 2165599876, dated 9 December 2014, stating that the diamond is D colour and flawless clarity, GIA laser inscribed. Accompanied by GSL report no. AA64079, dated 1 September 2020, stating that the diamond is D colour and If clarity, GIA laser inscribed.
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Fancy coloured diamond and diamond ring, set with a fancy light yellow round brilliant-cut diamond weighing 5.81 carats, between baguette-cut diamond shoulders, mounted in 18ct gold, weight 8.5gm, ring size N 1/2. Accompanied by GSL report no. AA66317, dated 8 June 2022, stating that the diamond is natural fancy light yellow colour and VVS2 clarity.
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Diamond ring, the cushion shaped diamond weighing 22 carats within a border of round brilliant-cut diamonds to similarly set shoulders, estimated remaining diamond weight 0.70 carats, mounted in platinum, weight 7.7gm, ring size K 1/2. Accompanied by GIA report no. 3375747918, dated 26 February 2021, stating that the diamond is E colour and VS1 clarity.
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Mouawad, sapphire and diamond ring, set with a cushion shaped sapphire weighing 4.11 carats between round brilliant-cut diamond shoulders, estimated total diamond weight 0.40 carats, signed Mouawad, numbered, 18ct gold, weight 5.8gm, ring size M 1/2. Accompanied by Grs report no. 2011-070952T, dated 2 August 2011, stating that the natural sapphire is vivid blue (Grs type "Royal Blue") and of Sri Lankan origin.
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Unmounted tanzanite, the oval tanzanite with known weight 23.30 carats. Accompanied by Saphir jewels certificate no. FM00585, dated 6 November 2017, stating that the tanzanite weighs 23.30 carats.
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Unmounted tanzanite, the oval shaped tanzanite measuring approximately 16.24 x 136 x 10.52 mm.
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Paolo Costagli, zircon, tanzanite and diamond ring, the oval-shaped blue zircon, with estimated weight 12.40 carats, set between triangular-shaped tanzanites, the mounted accented with round brilliant-cut diamonds, estimated total diamond weight 0.40 carats, signed Costagli New York, mounted in 18ct gold, weight 8.3gm, ring size L.
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Lapis lazuli bead necklace composed of 27 spherical polished beads measuring approximately 140 mm, with gold spacer detail, weight 119gm, length 45 cm.
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Emerald and diamond cluster ring centred by an oval-shaped emerald with estimated weight 1.15 carats within a stepped surround set with round brilliant-cut diamonds, estimated total diamond weight 0.65 carats, mounted in two tone gold, weight 9.4gm, ring size P.
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Leo Pizzo, diamond pendant, set throughout with round brilliant-cut diamonds, suspended from a 9ct gold curb link chain, estimated total diamond weight 4.50 carats, signed Leo Pizzo, Italian assay marks, pendant 18ct gold, pendant weight 9.8gm, pendant length 3 cm, chain length 41.5 cm.
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Gold, diamond, pearl and gem-set pendant necklace, the pendant set with a series of vari-cut gemstones, including tourmaline, ruby, sapphire and cultured pearls, enhanced with brilliant-cut diamonds, suspended from a belcher link chain, the pendant mounted in 18ct gold, necklace 9ct gold, pendant weight 16.8gm, necklace weight 69gm, pendant length 3.50 cm, necklace length 45.5 cm.
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Paolo Costagli, citrine and black diamond ring centred by a circular-cut citrine with known weight 9.75 carats, to a scrolling openwork Mount set with brilliant-cut black diamonds, estimated total diamond weight 1.40 carats, signed Costagli New York, mounted in 18ct gold, diamonds untested for origin and natural colour weight 18gm, ring size M.
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Emerald and diamond necklace, set with alternating bands of marquise-shaped emeralds and brilliant-cut diamonds, estimated total diamond weight 10 carats, mounted in 14ct gold, weight 45.8gm, length 40 cm.
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Diamond and jadeite earrings, each centred by a round brilliant-cut diamond, estimated as 0.50 carats, within a jadeite huan, accented with round brilliant-cut diamonds, estimated total remaining diamond weight 10 carats, mounted in gold, gross weight 12.8gm, length 1.8 cm.
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Jadeite and diamond ring, set with an oval jadeite cabochon measuring approximately 156 x 11.58, within a scalloped border of baguette-cut diamonds, estimated total diamond weight 10 carats, mounted in yellow gold, weight 9gm, ring size K 1/2. Accompanied by Nan Yang Gemological Institute report no. 16818411, dated 13 October 2022, stating that the natural jadeite is type a with no indications of treatment.
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Diamond ring, of bombe design, set with round brilliant-cut diamonds, total estimated diamond weight 1.50 carats, mounted in gold, weight 1.3gm, ring size K.
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