One polished, stamped, and tested I8K white gold ring with a bright finish. The ring is mounted with 1 genuine tanzanite center stone weighing approximately 4.27 carat, and 16 genuine round diamonds weighing approximately 0.17 carats. This item weighs 5.8 grams, condition is new, excellent workmanship. MAIN GEMSTONE Species: Zoisite Variety: Tanzanite Shape: Triangular Cutting Style: Modified Brilliant Cut Measurements: 9.8 x 9.5 x 6.6 mm Weight: 4.27 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: Round Cutting Style: Brilliant Cut Quantity: 16 Diamonds Measurements: 1.3mm Total Weight: 0.17 carats Clarity Grade: SI1 Color Grade: G Refractive Index: 2.418 Hardness: 10 TANZANITE WEIGHT: 4.27ct TOTAL DIAMOND WEIGHT: 0.17ctw WEIGHT OF ITEM: 5.8 grams GOLD CONTENT: 18K White Gold Orianne |18K| Tanzanite RN029818