From the Luxe collection; Lab-grown diamonds: 3.0 total carat weight; 4.0 total carat weight; 5.0 total carat weight; 6.0 total carat weight; color/clarity: EF/VS; 18K white gold; 0.3"L for 3.0 total carat weight and 4.0 total carat weight studs; 0.34"L for 5.0 total carat weight studs; 0.4"L for 6.0 total carat weight; Post back closure; 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 diamonds.; Photo may have been enlarged and/or enhanced; All gemstone carat weights (tcw) are approximate; variance may be 0.05 carat.; White gold is surface-coated with rhodium to enhance metal color and shine; it may wear off over time requiring replating; Imported