Lab-created Emerald diamond engagement ring is the May birthstone ring. This emerald stone is Lab-Treated,with Heating and diffusion treating method.It is not natural but in very good quality.This gemstone is normally set in solid rose gold,yellow gold or white gold.This is a 7mm emerald bridal ring,14k/18 gold with diamond accent stones.[Item details]:Engagement Ring:7 mm round Cut Lab-treated green emerald, VS Clarity;Approx 0.36 carat Marquise Cut moissaniteThe setting methods are prong,pave.This is a emerald engagement ring in solid gold.14/18k white/yellow/rose gold available. Diamonds can be upgraded.Ring setting can be made. Ring can be resized.Gemstone can be replaced.30-Day Money Back guarantee.Free Shipping to the US.