7.86ct Tanzanite and 0.69ctw Diamond Platinum...

Updated August 24, 2026

Ring (GIA CERTIFIED). One polished, stamped, and tested platinum ring marked Oscar Friedman. The ring is mounted with: 1 genuine GIA certified tanzanite center stone weighing 7.86 carats, and 58 genuine round diamonds weighing approximately 0.69 carats. This item weighs 11.3 grams, condition is new, excellent workmanship. #MAIN GEMSTONE# GIA Report No.: 1232457468; Species: Zoisite; Variety: Tanzanite; Shape: Cushion; Cutting Style: Brilliant Cut Crown, Modified Brilliant Cut Pavilion; Measurements: 11.55 x 10.34 x 7.84mm; Weight: 7.86 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: Round; Cutting Style: Brilliant Cut; Quantity: 58 Diamonds; Measurements: 1.2 - 1.8mm; Total Weight: 0.69 carats; Clarity Grade: VS2-SI1; Color Grade: F-G; Refractive Index: 2.417; Hardness: 10 #TANZANITE WEIGHT: 7.86 ct; TOTAL DIAMOND WEIGHT: 0.69 cts; WEIGHT OF ITEM: 11.3 grams; METAL: Platinum #Size: 7

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