6 Carat Genuine Tanzanite Fashion Sterling Silver Ring. 6 Carat Genuine Tanzanite High End Designer Fashion Sterling Silver Ring. Metal Information: .925 Sterling Silver. Finish: High Silver Polish. Item: Ring. Weight: 7.00gms. Total CTW: 6 Carat total weight. Stone Information: Tanzanite. Quantity: 7. Shape / Size: Round/3.00mm. Tanzanite. Quantity: 14. Shape / Size: Round/2.50mm. Tanzanite. Quantity: 24. Shape / Size: Round/2.00mm. Available Ring Sizes: 6, 7, 8, 9. Brand: ParisJewelry Size/Dimensions: 9 Metal Stamp: 14 kt Material: Gold Age: Adult Condition: New