Beauniq 14k Yellow, White & Rose Gold Tri-Color Medium Love Knot 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 necklace is made of solid 14k gold (not plated or filled) and stamped "14k". The necklace is a thin, delicate and feminine rope chain with a spring ring clasp. The weight of the pendant is 0.8g, the 18in necklace weighs 1.4g, the pendant measures 13mm (0.51 in) x 13mm (0.51 in), and the chain is 0.85mm thick. The necklace comes in 13in, 15in, 16in, 18in, 20in and 22in lengths.