GENUINE DIAMOND - Hand-set with 37 real diamonds weighing 1/6 carat total weight. HYPOALLERGENIC .925 STERLING SILVER - Both pendant and chain are crafted in solid 925 sterling silver with a rhodium finish for anti-tarnishing properties. Free from known allergens like nickel, cobalt, cadmium and lead. MEAUREMENTS - Pendant measures 0.75 inches in height and hangs from an 18 inch box chain with a spring ring clasp. DANCING DIAMOND - The “Dancing Diamond” is a revolutionary patented mechanism allowing the center stone to continuously move and sparkle. Suspended from two fine points, it is designed so as to not touch the body but continually move in a vibrating fashion. SATISFACTION - Pendant necklace arrives with complimentary giftbox and a 30 day, hassle-free, money-back guarantee.