METAL: 18k Gold. MEASUREMENTS: Necklace is 16 1/2" long, pendant - 75mm long. GEMSTONES: Multi color diamonds - approx. 11.00ctw+, pink gemstones, Kunzite - 42mm x 17.5mm x 12.9mm. MARKED: 750. WEIGHT: 56.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.