5.05ct UNHEATED Blue Sapphire and 1.05ctw...

Updated August 24, 2026

Diamond Platinum Ring (GIA CERTIFIED). One polished, stamped, and tested platinum ring marked Oscar Friedman. The ring is mounted with: 1 genuine GIA certified unheated sapphire center stone weighing 5.05 carats, and 58 genuine round diamonds weighing approximately 1.05 carats. This item weighs 11.3 grams, condition is new, excellent workmanship. #MAIN GEMSTONE# GIA Report No.: 2235312273; Species: Natural Corundum; Variety: Natural Sapphire; Shape: Oval; Cutting Style: Modified Brilliant Cut Crown, Step Cut Pavilion; Measurements: 9.24 x 7.87 x 7.57mm; Weight: 5.05 carats; Color: Blue; Transparency: Transparent; Treatment: None; Refractive Index: 1.762 - 1.770 DR; Birefringence: 0.008 - 0.010; Hardness: 9 #ADJACENT GEMSTONES ON RING# Identity: Natural Diamond; Shape: Round; Cutting Style: Brilliant Cut; Quantity: 58 Diamonds; Measurements: 1.5 - 1.8mm; Total Weight: 1.05 carats; Clarity Grade: VS2-SI1; Color Grade: G-H; Refractive Index: 2.417; Hardness: 10 #SAPPHIRE WEIGHT: 5.05 ct; TOTAL DIAMOND WEIGHT: 1.05 cts; WEIGHT OF ITEM: 11.3 grams; METAL: Platinum #Size: 7

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