14k Yellow Gold Omega Necklace 16 Etsy 14K Yellow Gold Omega Chain Necklace, 6mm, 37g For Sale at 1stDibs 14 Karats Yellow Gold Omega Chain Necklace For Sale at 1stDibs ARY D'PO ??? Omega Duo Reversible Necklace in 14K Yellow & White Gold Solid 14K Gold Omega Chain Necklace, Round Flexible Collar, 1.5mm Wide. A fabulous classic in the form of a round omega chain 14k yellow gold necklace secured with a fancy screw off the lobster clasp; this beauty is available in sizes 16 inches, 17 inches, 18 inches, and 20 inches. Product Details: Necklace Information : Metal : 14K Yellow Gold Chain Type : Omega Clasp : Lobster Clasp Width : 0. 06 in Approximate Weight: Size Weight 16'' 6. 3 grams 17'' 6. 8 grams 18'' 7 grams 20'' 7. 8 grams