One polished. stamped, and tested platinum pendant marked Oscar Friedman, The pendant is mounted with: 1 genuine GIA certified tanzanite center stone weighing 7.70 carats, and 108 genuine round diamonds weighing approximately 1.34 carats, The pendant hangs from a platinum link necklace measuring 18 inches in length. This item weighs 17.1 grams, condition is new, excellent workmanship. #MAIN GEMSTONE# GIA Report No: 2223628691 Species: Zoisite Variety: Tanzanite Shape: Pear Cutting Style: Brilliant Cut Crown, Modified Brilliant Cut Pavilion Measurements: 12.13 x 11.37 x 8.51mm Weight: 7.70 carats Color: Violet Transparency: Transparent Refractive Index: 1.691 - 1.700 DR Birefringence: 0.008 - 0.013 Hardness: 6.5 - 7 #ADJACENT GEMSTONE ON PENDANT# Identity: Natural Diamond Shape: Round Cutting Style: Brilliant Cut Quantity: 108 Diamonds Measurements: 1.0 - 2.0mm Total Weight: 1.34 carats Clarity Grade: VS1 - SI2 Color Grade: F - G Refractive Index: 2.417 Hardness: 10 TANZANITE WEIGHT: 7.70 ct TOTAL DIAMOND WEIGHT: 1.34 cts WEIGHT OF ITEM: 17.1 grams METAL: Platinum Size: 18