An exceptional ,15.68ct tanzanite and diamond, platinum cocktail ring. This modern ring features a corner claw set, cushion cut, Medium-Dark bright slightly Violet/Blue tanzanite of reported weight 15.68 cts, accented by eight x claw set, marquise cut and twelve x claw set, round brilliant cut diamonds of reported total weight 1.80 cts, G colour, VS clarity, in a platinum stamped, up-swept tapered band, in a halo cluster design. Finished weight 20.30 grams. Ring size M. 2020 certificate copy supplied