METAL: 14K gold. GEMSTONES: tourmaline (RI tested 1.62). MEASUREMENTS: necklace is 16" long. Pendant is 22mm long x 11mm at widest point. MARKED/TESTED: necklace marked 585 14K Italy, pendant tested 14K. WEIGHT: 4.3 grams.Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless stated otherwise.