METAL: platinum, 18K gold. GEMSTONES: diamonds, enamel. MEASUREMENTS: pendant is 50mm long x 25mm at widest point. MARKED: Masriera Y Carreras, tested platinum, 18K. Engraved "5 Mayo 1929". WEIGHT: 7.6 grams.Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless stated otherwise.