One polished, stamped, and tested platinum ring marked Oscar Friedman. The ring is mounted with: 1 genuine GIA certified tanzanite center stone weighing 10.69 carats, and 166 genuine faceted diamonds weighing approximately 2.25 carats, This item weighs 17.2 grams, condition is new, excellent workmanship. #MAIN GEMSTONE# GIA Report No.: 5221427263; Species: Zoisite; Variety: Tanzanite; Shape: Oval; Cutting Style: Brilliant Cut Crown, Modified Brilliant Cut Pavilion; Measurements: 16.18 x 12.15 x 7.42mm; Weight: 10.69 carats; Color: Bluish Violet; Transparency: Transparent; Refractive Index: 1.691 - 1.700 DR; Birefringence: 0.008 - 0.013; Hardness: 6.5 - 7 #ADJACENT GEMSTONES ON RING# Identity: Natural Diamond; Shape & Cutting Style: Baguette / Round Brilliant; Quantity: 166 Diamonds; Measurements: 1.5 - 2.5mm (46 baguette), 1.2mm (120 round); Total Weight: 2.25 carats; Clarity Grade: VS2-SI2; Color Grade: G-H; Refractive Index: 2.417; Hardness: 10 #TANZANITE WEIGHT: 10.69 ct; TOTAL DIAMOND WEIGHT: 2.25cts; WEIGHT OF ITEM: 17.2 grams; METAL: Platinum #Size: 7 3/4