Natural Tanzanite & White Topaz Sterling Silver Classic Ring 2.40 Carat Natural Tanzanite and Diamond 14 Karat Solid White Gold Ring 3.12 Carat Genuine Tanzanite and White Topaz .925 Sterling Silver 3 Amazon.com: 6.19 Carat Genuine London Blue Topaz, Tanzanite & White. Specifications: Birthstone Month: December Finish: Rhodium Plated Gemstone Wt: 2. 40 ctw Gender: Women Gross Wt: 5. 06 Height: 7. 16 MM Length: 26. 58 MM Metal: . 925 Sterling Silver Metal Stamp: 925 Primary Stone Color: Violet Stone 1: Tanzanite Stone 1 Carat: 2. 00 ctw Stone 1 Creation Method: Natural Stone 1 Quantity: 25 Stone 1 Shape: Marquise Stone 1 Size: 4x2mm Stone 1 Treatment Method: Heat Treated Stone 2: White Topaz Stone 2 Carat: 0. 40 ctw Stone 2 Creation Method: Natural Stone 2 Quantity: 18 Stone 2 Shape: Round Stone 2 Size: 1. 50mm Stone 2 Treatment Method: Heat Treated Style: Cluster Ring Total Qty Of Stones: 43 Total Stone Wt: 2. 40 ctw Width: 15. 80 MM