This is the perfect conflict-free alternative to a mined diamond, these stones are internally flawless, D in color and brilliant in cut with lots of shine. ** We use the finest diamond simulated in the market. They are finished through the same cuttings and brilliant polishing techniques that real diamonds undergo during production. Our simulated diamond shine bright like real diamonds! These are not natural diamonds, but are made to replicate the look and shine of a D color and flawless natural diamond and are cut exactly the same way. They will last a lifetime when properly cared for.