One polished, stamped, and tested platinum ring marked Oscar Friedman. The ring is mounted with: 2 genuine sapphire center stones weighing approximately 4.57 carats, and 46 genuine round diamonds weighing approximately 0.59 carats. This item weighs 6.4 grams, condition is new, excellent workmanship. #MAIN GEMSTONES# Species: Natural Corundum Variety: Sapphire Shape: Octagonal Cutting Style: Step Cut Quantity: 2 Sapphires Measurements: 8.44 x 6.49 x 4.28mm, 8.56 x 5.94 x 4.34mm Total Weight: 4.57 carats Color: Blue-Green / Yellow Transparency: Transparent 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: 46 Diamonds Measurements: 1.3 - 1.8mm Total Weight: 0.59 carats Clarity Grade: VSI-VS2 Color Grade: F-G Refractive Index: 2.417 Hardness: 10 TOTAL SAPPHIRE WEIGHT: 4.57 cts TOTAL DIAMOND WEIGHT: 0.59 cts WEIGHT OF ITEM: 6.4 grams METAL: Platinum Size: 7 1/4