No Size; Lab-grown diamonds are created using specialized equipment in a lab, and are optically, physically, and chemically the same as natural diamonds.; After being grown in the lab, they are cut and polished in a similar fashion and measured with the same 4 C's (cut, color, clarity, and carat weight) as natural mined diamonds.; Please allow 10-14 days to process your order; 14K Yellow or White Gold with Lab Grown Diamonds; Made in USA