An elegant, sophisticated look of black and white diamonds will surely add the perfect touch. This heart pendant is crafted of solid .925 sterling silver. Contains 1/2 carat of natural black and white diamonds. The pendant measures approximately .63 inches (length) by .5 inches (width). The silver chain necklace is 18 inches long and has a 2 inch extension - can be worn up to 20 inches. Completed with a comfortable, secure lobster claw clasp.