Gem Stone Heart- Heart Shaped Gem Stone - Rock Paradise Exclusive COA - AM18B2 - AM18B3 (Amethyst) Gem Stone Heart- Heart Shaped Gem Stone - Rock Paradise Exclusive COA - AM18B2 - AM18B3 This listing is for 1 (ONE) Gem Stone Heart- Heart Shaped Gem Stone. Rock Paradise Exclusive with Certificate of Authenticity STOCK PHOTOS. ALL HEARTS WILL VARY IN SIZE AND SHAPE DO TO BEING MADE OF NATURAL STONE. APPROX. SIZE 25-30mm x 30-35mm Find more great pendants and stones in our shop. Search Rock Paradise on Amazon. We also have many bulk deals available!