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: lab created emerald -Stone Clarity: VS2 -Stone Color: lively medium green, eye-clean -Moh’s Scale: 8.5 hardness -Metal Type and Purity: 14k white gold -Setting: 4 prong basket head -Chain: 18" delicate 14k gold chain (heavier chain is available contact us for pricing) -Country of Manufacturing: USA (Michigan) For customization please contact us. If you have any additional questions, just hit the "Ask a Question" button (just to the right of the price) and we will get back to you shortly. Making your purchase means you have read and understand all of my Policies on the shop page. https://www.etsy.com/shop/InfinityJewelersUSA