METAL: sterling silver. MEASUREMENTS: link chain bracelet is 8" long x 4.5mm wide. Box chain bracelet is 7 3/4" long x 4mm wide. Ring size 7.25, band is 7mm wide. Heart pendant measures 25 x 28mm at widest point. MARKED: Tiffany & Co 925 Elsa Peretti Spain 1997. WEIGHT: 39.7 grams.Gemstones have not been graded for color and clarity, and tested for clarity and color enhancement, unless stated otherwise.