Open up to new style possibilities with this glittering circle necklace from the leo® diamond collection. 14k white gold a round-cut diamond sparkles at the center of the swirling open circle graduating round-cut diamonds add even more sparkle total diamond weight is 1/4 carat adjustable 17- to 19-inch cable chain with lobster clasp the leo® diamond is the first diamond independently certified to be visibly brighter patented technology strategically places additional facets onto the diamond, maximizing the return of light and creating faraway sparkle