0.75 Cts Emerald Cut Lab-Grown Halo Diamond Earrings in 14K White Gold (F-G, VS-SI, 0.75 Cttw). Made in USAEarrings are cast in 14K Gold, featuring a Halo Emerald lab grown diamond earring set with total weight of 0.75carats. The diamonds are placed in a prong setting with a basket style base structure. The Emerald shaped lab grown diamonds on the side are fastened by tight-griped. The diamonds in the pairs rank F-G / VS-SI in color and clarity.