Elevate her look with this stylish circle necklace from the leo® diamond collection. 14k white gold bezel-set round-cut diamonds create the circle pendant, separated by polished twists total diamond weight is 1/2 carat 17- to 19-inch adjustable 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