Sterling Silver Triple Crescent Moon Goddess Necklace with Rainbow Moonstone; 18 Inches Long Made of .925 solid sterling silver with rainbow moonstone Measures approximately 1 1/4 inches (3.18 cm) wide by 1 inches (2.54 cm) tall Single sided Chain measures 18 inches (45.7 cm) with two additional rings that allow it to be adjusted down to 16 inches