A pair of trillion shape tanzanite and diamond halo cluster studs, 14ct yellow gold, made as modern studs of halo style, each featuring a medium, violet blue coloured tanzanite to centre, weighing approximately 1.05ct, bead, set within a frame of small brilliant cut diamonds, eighteen to each weighing approximately 0.18ct, completed with pierced post fittings, A.T.D.W.: 0.36ct.