Here is a 1.00Ct Tanzanite and Diamond Cocktail Ring in Sterling Silver. This is part of a Jewelry Store stock that will be auctioned this week. This has rows of 19 Purple Tanzanites with 4 Diamonds that total approximately 1.00. The ring is size 7. Tanzanite is the December birthstone. This will be auctioned to the highest bidder at $1 No Reserve.