18K Yellow Gold Diamond Mangalsutra Necklace W/ 0.6ct VVS-VS Diamonds for women. This beautiful 18K yellow gold Mangalsutra necklace features a unique pendant encrusted in 0.6ct VVS-VS round brilliant diamonds with G-H color. This beautiful symbol of matrimony features a black beaded necklace 17 inches long and 2 mm wide. Its elegant pendant is 28 mm long and 45 mm wide. This piece has a total gold weight of 5.3 grams.