From the Cocktail Collection. London blue topaz cushions are gorgeously crisp, cut with checkboard facets that reflect light at every turn, in a setting of sleek, 18k white gold with diamond solitaires shimmering between.;London blue topaz;Diamonds, 0.8 tcw;18k white gold;Signature synthetic ruby detail at clasp;Length, about 7.25";Width, about 0.4";Hidden push-lock closure with hinged safety clasp;Made in Italy