A 3 carat brilliant-cut moissanite is centered on this halo diamond engagement ring. The moissanite is a synthetic lab-created gemstone while the diamonds are naturally earth mined from conflict-free sources. The ring features a split shank band made with 14-karat gold and a highly polished finish. The ever-popular halo style is depicted here with a mix of the two stone types and an extra large display of glittering beauty to create a bold statement. 1 Near Colorless Kobelli Moissanite (H-I). 52 Natural White Diamonds.