METAL: 18k gold. GEMSTONES: diamond, pink stones. One stone missing. MEASUREMENTS: Cat brooch is 35 x 22mm at widest point. Cat and Kittens brooch is 32 x 16mm at widest point. Two dogs brooch is 21 x 11mm at widest point. MARKED/TESTED: 18K. WEIGHT: 25.7 grams.Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless stated otherwise.