Beauniq 14k Yellow Gold Infinity Open Cross Pendant Necklace - 13" 15" 16" 18" 20" 22" 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 and necklace are made of solid 14k gold and stamped "14k". The necklace is a thin, delicate and feminine rope chain with a spring ring clasp. The weight of the pendant is 0.4g, the 18in necklace weighs 1.0g, the length including the bale is 23mm (0.91 in), the cross measures 11mm (0.43 in) x 19mm (0.75 in), the chain is 0.85mm thick and either 13, 15, 16, 18, 20, or 22 inches long.