This round disc pendant is made of 18K yellow gold and weighs 3.3 DWT (approx. 5.1 grams). It contains 26 round cut red rubies weighing 0.54 CTTW, and 26 round cut diamonds G color, VS clarity weighing 0.42 CTTW. The disc measures 14.5mm in diameter. The necklace is 16 inches long.