0.73 Carat Oval Cut Tanzanite 925 Sterling Silver Ring For Sale at 1stDibs Natural Tanzanite Ring 925 Sterling Silver December Birthstone Bridal 5.16 Ctw Oval Shape Simulated Tanzanite 925 Sterling Silver Beaded Blue Tanzanite 925 Sterling Silver Rings, Filigree Ring, 18K Yellow Jewellery 4.16 Carat Genuine Tanzanite .925 Sterling Silver Pendant. Specifications: Birthstone Month: December Finish: Rhodium Plated Gemstone Wt: 3. 31 ctw Gender: Women Gross Wt: 7. 25 Height: 5. 33 MM Length: 28. 96 MM Metal: . 925 Sterling Silver Metal Stamp: 925 Primary Stone Color: Violet Stone 1: Tanzanite Stone 1 Carat: 0. 33 ctw Stone 1 Creation Method: Natural Stone 1 Quantity: 1 Stone 1 Shape: Oval Stone 1 Size: 5x4mm Stone 1 Treatment Method: Heat Treated Stone 2: Tanzanite Stone 2 Carat: 1. 36 ctw Stone 2 Creation Method: Natural Stone 2 Quantity: 8 Stone 2 Shape: Oval Stone 2 Size: 4x3mm Stone 2 Treatment Method: Heat Treated Stone 3: Tanzanite Stone 3 Carat: 1. 62 ctw Stone 3 Creation Method: Natural Stone 3 Quantity: 54 Stone 3 Shape: Round Stone 3 Size: 1. 80 1. 90mm Stone 3 Treatment Method: Heat Treated Style: Cluster Ring Total Qty Of Stones: 63 Total Stone Wt: 3. 31 ctw Width: 22. 61 MM