One polished, stamped, and tested platinum ring with a bright finish. The ring is mounted with: 1 genuine tanzanite center stone weighing approximately 2.60 carat, and 16 genuine faceted diamonds weighing approximately 0.37 carats. This item weighs 6.3 grams, condition is new, excellent workmanship. MAIN GEMSTONE Species: Zoisite Variety: Tanzanite Shape: Round Cutting Style: Modified Brilliant Cut Average Diameter: 7.4 mm Weight: 2.60 carat Color: Violetish Blue Cut Grade: Very Good Refractive Index: 1.691 - 1.700 DR Birefringence: 0.008 - 0.013 Hardness: 6.5 - 7 ADJACENT GEMSTONES ON RING Identity: Natural Diamond Shape: Marquise / Round Cutting Style: Brilliant Cut Quantity: 16 Diamonds Measurements: 3 x 1.5mm (8 marquise) 1.3 - 1.5mm (8 round) Total Weight: 0.37 carats Clarity Grade: SI1 Color Grade: H - I Refractive Index: 2.418 Hardness: 10 TANZANITE WEIGHT: 2.60ct TOTAL DIAMOND WEIGHT: 0.37ctw WEIGHT OF ITEM: 6.3 grams METAL: Platinum Orianne Platinum Tanzanite, Diamond 7692