Send double the love to the one you adore with this dazzling heart necklace from the leo® diamond collection. 14k white gold two concentric open hearts sparkle with round-cut diamonds total diamond weight is 3/4 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