Varna Tanzanite, Diamond, Platinum, 18k Yellow Gold Ring Set. Including one round-cut tanzanite weighing approximately 2.00 cts., accented by six rectangular princess-cut diamonds weighing a total of approximately 0.40 cttw., set in an engraved platinum, 18k yellow gold mounting, size 6 1/4 together with a matching engraved platinum band, size 6 1/4. {Gross Weight: 8.6 dwts}