14K Yellow Gold Square / Box BYZANTINE Chain Necklace Measures 18 " length The chain measures 1.8 mm wide x 1.8 mm thick Total weight of the chain is 11.2 grams The chain is 14K gold hallmarked 585, Italian gold Also tested with my Auracle AGT3 electronic gold tester Sturdy lobster clasp Most imperfections are not visible with the naked eye, as my macro lens significantly magnifies this item A signature will be required for delivery Ships Same Or One Day , upon payment I do not accept returns, or partial refunds / post sale discounts All items I sell are marked with an invisible UV identifier To confirm originality of the item To prevent condition issues / return fraud Gold content is verified with my Auracle AGT electronic tester Gemstones are verified with my electronic Presidium Gem Tester All gemstone measurements are estimated to the best of my ability, as they are installed in settings