10KT yellow gold rope chain necklace. not plated. Authenticated with a 10 Kt stamp. Includes a spring clasp to uphold strength and comfort. Come with 1 year limited warranty on workman ship. WEIGHTS OF THE CHAIN GOES BY WIDTH AND LENGTH OF THE CHAIN. THE DETAILS OF THE AVERAGE WEIGHTS IS AS FOLLOWS:- 2MM WIDTH (1.6 GRAMS - 3.5 GRAMS) DEPENDS ON THE LENGTH2.5MM WIDTH (3.3 GRAMS - 5.7 GRAMS) DEPEND ON THE LENGTH 3MM WIDTH (4.2 GRAMS - 7.3 GRAMS) DEPENDS ON THE LENGTH 4MM WIDTH (6.1 GRAMS - 10.9 GRAMS) DEPENDS ON THE LENGTH 5MM WIDTH ( 9.5 GRAMS - 11.6 GRAMS) DEPENDS ON THE LENGTH 6MM WIDTH ( 10.8 GRAMS - 14.5 GRAMS) DEPENDS ON THE LENGTH 7MM WIDTH ( 4.0 GRAMS - 5.3 GRAMS) DEPENDS ON THE LENGTH I have been accredited by the Gemological Institute of America as an A.J.P. (Accredited Jewelry Professional) and have been certified by the Diamond Council of America in Diamonds and Colored Gemstones. IF you unsatisfied due to any reason please know of our 15 days full refund policy. Please feel free to email me or call me to resolve any issue in a positive manner before leaving any negative or neutral feedback. We appreciate your interest in our item and looking forward to do business with you soon