(K51E13) One polished, stamped, and tested 18K white gold ring with a bright finish. The ring is mounted with: 1 genuine tanzanite center stone weighing approximately 4.46 carat, and 13 genuine round diamonds weighing approximately 0.84 carats. This item weighs 6.5 grams, condition is new, excellent workmanship. MAIN GEMSTONE Species: Zoisite Variety: Tanzanite Shape: Pear Cutting Style: Modified Brilliant Cut Measurements: 11.8 x 10.0 x 5.9mm Weight: 4.46 carat Color: Bluish Violet 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: 13 Diamonds Measurements: 2.5 - 2.7mm Total Weight: 0.84 carats Clarity Grade: VS2 to SI1 Color Grade: G - H Refractive Index: 2.418 Hardness: 10 TANZANITE WEIGHT: 4.46ct TOTAL DIAMOND WEIGHT: 0.84ctw WEIGHT OF ITEM: 6.5 grams GOLD CONTENT: 18K White Gold