Enamel, Emerald, Diamonds 18K White Gold Ring, R 0123-718K White Gold, Enamel, Emerald, Diamonds Ring Another Ring from our Melted Colors collection. As we can see, enamel is matched perfectly by our designers to the color of the central stones in order to create the effect of melting or spreading. Center stone Emerald weighing 0. 40 Carat is accompanied by a line of Diamonds set in White 18 Karat Gold. An ordinary routine day will sparkle with new colors if you wear such a ring! US Size 7 1 4 EU Size 17.