METAL: 18K Yellow Gold. GEMSTONE: Pearls - 7.5-8mm, Diamonds approx. 3.00ctw. MEASUREMENTS: 15 3/4" long, 7mm wide. Pendant measures 29mm x 29mm . MARKED: f 18k. WEIGHT: 49.4 grams. Gemstones have not been graded for color and clarity ,and tested for clarity and color enhancement, unless stated otherwise.