This ring is a trillion lab created green emerald made in solid 14k yellow gold item #5843 Ring has split shank design and 3 prong setting. Emerald is the birthstone for May Gem Type: lab created emerald -Shape: Trillion / 7x7MM -Weight: 1.00ct (approx.) diamond equivalent -Stone Color: Lively Medium Green, Eye-clean / The Best Color in Emeralds -Hardness: 8.5 Moh's Scale Mounting: -Metal Type and Purity: 14k yellow gold -Setting: 3 prong split shank design -Listed Ring Size: 6.5 -Country of Man