METAL: 18k white gold, 18k yellow gold, 18k rose gold. MEASUREMENTS: ring size 2.5. Each band is 1.5mm wide. MARKED: Cartier 750; 42, french gold mark. WEIGHT: 6.1 grams. Comes with box. Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless stated otherwise.