Sterling Silver 925 Tanzanite? Stone Ring #17620 Auctionninja.com 100% Natural Tanzanite Ring 925 Sterling Silver Ring Etsy 7.10 Carat Genuine Tanzanite .925 Sterling Silver Ring 10K Tanzanite Ring Sz 7.5 Flower 10KT Yellow Gold Vintage Jewelry 100% Natural Tanzanite Ring 925 Sterling Silver Ring Etsy. Specifications: Birthstone Month: December Finish: Rhodium Plated Gemstone Wt: 7. 10 ctw Gender: Women Gross Wt: 5. 11 Height: 7. 62 MM Length: 16. 51 MM Metal: . 925 Sterling Silver Metal Stamp: 925 Primary Stone Color: Violet Stone 1: Tanzanite Stone 1 Carat: 7. 10 ctw Stone 1 Creation Method: Natural Stone 1 Quantity: 1 Stone 1 Shape: Oval Stone 1 Size: 12x10mm Stone 1 Treatment Method: Heat Treated Style: Bold Ring Total Qty Of Stones: 1 Total Stone Wt: 7. 10 ctw Width: 15. 75 MM