Ethiopian 85.8ct opal & diamond necklace a 14ct yellow gold necklace set with fifty three claw set oval cabochon crystal opals with moderate play of colour in green, blue and orange flashes. Large pendant set with forty-four claw set diamonds opal weight 85.8cts diamond weight 1.91cts colour J-K, Clarity P1-P3 weight 60.8 grams