From the Luxe collection; This stunning bridal set showcases an oval-cut lab grown diamond center stone with hidden halo and round-cut diamonds on the engagement and eternity bands; Certified lab-grown diamonds: 4.5 total carat weight; color/clarity: EF/VS; Oval-cut center: 4 total carat weight; 18K white gold; 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 Cs (cut, color, clarity, 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