Unisex 14k Solid Yellow Gold Classic Figaro Chain Necklace For best results, we do strongly recommend using a tape measure to check neck size before placing your order. This necklace is made of solid 14k gold (not plated or filled) and stamped "14k". This classic necklace looks great alone or with your favorite pendant. Chain is 4.0mm thick, comes in: -16in (weight 8.1g), -18in (weight 9g), - 20in(weight 10g),- 22in (weight 11.1g), - 24in(12g), 30in (weight 15g).