METAL: 22k Gold. MEASUREMENTS: Earrings are 30mm xx 25mm, largest ball - 12.5mm in diameter. Necklace is 31 1/2" long and 13.7mm wide. MARKED: k22, A21, Maker's mark, Greece. WEIGHT: 155.2 grams.Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.