This Diamond Cut Mariner Link Chain Necklace is made of 14k Gold Filled, measuring 21.5 inches in length and 3mm in width. The necklace features a lobster closure and a mariner chain style, making it a stylish and classic accessory for any outfit. With its undated era design and sleek yellow gold color, this necklace is a versatile piece that can be worn for various occasions. This necklace is a timeless and elegant choice for those looking to add a touch of sophistication to their ensemble. Jewelry & Material Disclosure item featured is 14k Gold filled Base Metals Premium Use: May include stainless steel, brass, iron, or alloy metals depending on the design. Stamps: Some items may not be stamped with metal purity marks.