Size 4.5 platinum 90/10 (8 grams) custom CAD created bypass halo style engagement ring with lab created diamonds (LGD). The center diamond is a certified IGI 567368694 5.21 carat brilliant pear shape having H color and VS2 clarity. The curving twisting bands have sixty-three (63) round lab diamonds weighing 0.52 carats, having F-G color and VS clarity.