"This ring is a cushion cut lab created green emerald pendant with 18\" chain made with solid 14k white gold item #6172 We feature the finest quality lab grown emeralds in the world. The properties of lab-grown are physically, chemically and visually identical to natural, just grown in a lab setting. Emerald is the birthstone of May -Approximate total carat weight: 1.70ctw diamond equivalent -Center Stone Size: 7x7mm approx. 1.70ct diamond equivalent -Center Stone Shape: cushion cut -Gem Type: l Luxury Emerald Engagement Necklace, May Birthstone, Luxury Emerald Necklace With Square Pendant For Gifts, Green Cushion Cut Jewelry For May Birthstone, Luxury Emerald Square Pendant Necklace, Emerald Pendant Necklace - Gift For Her, Head Chain, Platinum Wedding Band, Lab Created Emerald, Platinum Wedding