The heart is often used to symbolize the moral, emotional, spiritual and even the intellectual substance of a person. Combine all that into the universal symbol of LOVE.Made to last from your choice of 18K gold vermeil (silver dipped in gold) or sterling silver. Our chain is gold-filled (not plated) or sterling silver with a 16-18 inch adjustable length. Charm measures .3 inches. Assembled in Half Moon Bay, California.