This David Yurman Cable Classics womens cuff bracelet is made of sterling silver 925 and weighs 18.50 DWT (approx. 28.77 grams). It contains 2 briolette cut Swiss blue Topaz set in 14K yellow gold. It measures 5mm in thickness and 7 inches around (from edge to edge). The maximum wrist size for this cuff bracelet is 6.5 inches in circumference.