18K Yellow Gold Mangalsutra Necklace W/ Yellow Gold Diamond Bar Pendant & Circle Charm for women. This beautiful Mangalsutra necklace features a single-strand yellow gold chain with black beads and a slightly curved bar pendant with a circle charm. The pendant is encrusted with 0.73ct VS-SI round brilliant diamonds. The chain is 16 inches long with a width range of 1-2.5 mm. The pendant is 14 mm long and 37 mm wide. With a total gold weight of 6.5 grams, this 18K gold piece is a great way to enhance an everyday sleek outfit.