Here is a .74Ct Tanzanite and Diamond Ring in Sterling Silver. The center is approximately a .70Ct Round Tanzanite surrounded with single cut Diamonds. Tanzanite is the December Birthstone. The total Tanzanite and Diamond weight is approximately .74Cts. The Ring is size 7. This has an auction estimate of $150-$250 and it will be auctioned to the highest bidder with an opening bid of $1 with No Reserve and 0% auction fee.