Sterling Silver 2 1/2 CTW Lab-Grown Diamond Earrings. 66233 / Sterling Silver / Set / Round / Lab-Grown Diamond / Pair / 7Mm :: 2 1/2 Ctw / Vs, F+ / Friction / Friction Backs Included / 3-Prong / Polished / 2 1/2 Ctw Lab-Grown Diamond 3 Prong Cocktail Style Earrings With .030 Inch Post