0.5 Cts Round Shaped Lab-Grown Halo Diamond Earrings in 10K White Gold (G-H, VS-SI, 0.5 Cttw) Round shaped Lab Grown Diamonds, each Lab Grown diamond is 4.5x2.5mm Made in USA. This earring is cast in 14K Gold, featuring a double halo round shaped lab grown diamond total weight of 0.5 carats. The diamond is placed in a prong setting with a basket style base structure. The diamonds are in the pair rank G-H / VS-SI in color and clarity.