METAL: platinum, 14k gold. GEMSTONES: diamonds approx. 0.90-1.00ctw . MEASUREMENTS: necklace is 15.5" long. Pendant is 42mm long (with bale) x 19mm at widest point. MARKED/TESTED: necklace marked 14k, pendant tested Platinum. WEIGHT: 7.2 grams.Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless stated otherwise.