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 4.09 carat, and 52 genuine round diamonds weighing approximately 1.42 carats. This item weighs 5.2 grams, condition is new, excellent workmanship. MAIN GEMSTONE Species: Zoisite Variety: Tanzanite Shape: Cushion Cutting Style: Modified Brilliant Cut Measurements: 11.5 x 8.6 x 5.5mm Weight: 4.09 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: 52 Diamonds Measurements: 1.8 - 2.0mm Total Weight: 1.42 carats Clarity Grade: VS1 to VS2 Color Grade: F - G Refractive Index: 2.418 Hardness: 10 TANZANITE WEIGHT: 4.09ct TOTAL DIAMOND WEIGHT: 1.42ctw WEIGHT OF ITEM: 5.2 grams GOLD CONTENT: 18K White Gold Orianne 18K Tanzanite, Diamond 15835