Unsure what length chain to buy? 18 inches is the standard length and will look great on most people. To purchase the pendant by itself (without a chain), choose the 0.0 inches length This pendant necklace is made of solid 14k gold (not plated or filled) and stamped 14k. The necklace is a thin, delicate and feminine box chain with a spring ring clasp. The weight of the pendant is 1.4g, the 18in necklace weighs 2.4g, the pendant measures 15mm (0.59 in) x 25mm (1 in), the chain is 0.6mm thick. The necklace comes in 13in, 16in, 17in, 18in, 20in and 24in lengths.