Silver Heart Shape Diamond Proposal Style Pendant, our single heart-shaped diamond necklace is a piece of jewelry you can wear on special occasions and every day. It makes a thoughtful present for both you and your close ones. Your outfit will look more stylish and innovative with our necklace. Diamond is the birthstone for people born in April. look more stylish and innovative with our necklace. Diamond is the birthstone for people born in April. Diamond Stone: Symbol of able to reach into us and open many spiritual doors.