Bidspirit auction | 3.70CT TANZANITE & 0.39CTW DIAMOND

3.70CT TANZANITE & 0.39CTW DIAMOND PLATINUM RING - One polished, stamped, and tested platinum ring with a bright finish. The ring is mounted with: 1 genuine tanzanite center stone weighing approximately 3.70 carat, and 30 genuine round diamonds weighing approximately 0.39 carats. This item weighs 9.5 grams, condition is new, excellent workmanship. MAIN GEMSTONE Species: Zoisite Variety: Tanzanite Shape: Pear Cutting Style: Brilliant Cut Crown Modified Brilliant Cut Pavilion Measurements: 12.7 x 9.5mm Weight: 3.70 carat Color: Violetish Blue Cut Grade: Very Good Refractive Index: 1.691 - 1.700 DR Birefringence: 0.008 - 0.013 Hardness: 6.5 - 7 ADJACENT GEMSTONES ON RING Identity: Natural Diamond Shape: Round Cutting Style: Brilliant Cut Quantity: 30 Diamonds Measurements: 1.2 - 2.0mm Total Weight: 0.39 carats Clarity Grade: VS2 to SI1 Color Grade: G - H Refractive Index: 2.418 Hardness: 10 TANZANITE WEIGHT: 3.70ct TOTAL DIAMOND WEIGHT: 0.39ctw. Stone Type: Tanzanite Weight: 9.5 Grams Size: US 6.5-7.5 Condition: Like new.