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

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

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