5.06ctw Blue Ceylon Sapphire and 0.69ctw...

Updated August 24, 2026

Diamond Platinum Ring. One polished, stamped, and tested platinum ring marked Oscar Friedman. The ring is mounted with: 3 genuine sapphire center stones weighing approximately 5.06 carats, and 65 genuine round diamonds weighing approximately 0.69 carats. This item weighs 8.3 grams, condition is new, excellent workmanship. #MAIN GEMSTONES# Species: Natural Corundum; Variety: Sapphire; Origin: Ceylon / Sri Lanka; Shape: Oval / Triangular / Cushion; Cutting Style: Brilliant Cut Crown, Step Cut Pavilion; Quantity: 3 Sapphires; Measurements: 7.7 x 7mm (1 oval), 7.3 x 7.2mm (1 triangular), 7.4 x 6.7mm (1 cushion); Total Weight: 5.06 carats; Color: Blue; Cut Grade: Very Good; 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: 65 Diamonds; Measurements: 1.0 - 1.7mm; Total Weight: 0.69 carats; Clarity Grade: VS1-SI1; Color Grade: F-G; Refractive Index: 2.417; Hardness: 10 #TOTAL SAPPHIRE WEIGHT: 5.06 cts; TOTAL DIAMOND WEIGHT: 0.69 cts; WEIGHT OF ITEM: 8.3 grams; METAL: Platinum 900 #Size: 7

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