18K Gold Emerald & Diamond Ring One polished, stamped, and tested 18K white gold ring with a bright finish. The ring is mounted with: 1 genuine emerald center stone weighing approximately 6.63 carat, and 2 genuine round diamonds weighing approximately 0.35 carats. This item weighs 5.6 grams, condition is new, excellent workmanship. *MAIN GEMSTONE* Species: Natural Beryl Variety: Emerald Shape: Octagonal Cutting Style: Step Cut Measurements: 12.1 x 9.7 x 7.3mm Weight: 6.63 carat Color: Green Cut Grade: Very Good Transparency: Semi Transparent Refractive Index: 1.564 - 1.595 DR Birefringence: 0.005 to 0.009 Hardness: 7.5 - 8 *ADJACENT GEMSTONES ON RING* Identity: Natural Diamond Shape: Round Cutting Style: Brilliant Cut Quantity: 2 Diamonds Measurements: 3.5mm Total Weight: 0.35 carats Color Grade: F Clarity Grade: SI1 Refractive Index: 2.418 Hardness: 10 Size: 6.75