METAL: 14k Gold. MEASUREMENTS: Necklace is 17 1/4" long and 6mm wide. GEMSTONES: Multi color semi-precious gemstones - including citrine, amethyst, topaz, tourmaline, peridot. MARKED: T S 14k 585. WEIGHT: 50.5 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.