This striking 18-karat white gold necklace is composed of graduated white diamonds. Founded in Valenza, Italy by Davide Zybert, family-owned Zydo has become one of the most respected fine jewelry brands in the world. For nearly half a century, the prestigious company has been recognized for its impeccable craftsmanship, timeless designs and superior quality. Diamonds, 11.35ctw. 16"L.