She will love the sophisticated sparkle of this necklace from the leo® diamond collection. 14k white gold a round-cut diamond is nestled at the base of a diamond-lined teardrop frame total diamond weight is 1/2 carat adjustable 17- to 19-inch rolo 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