From the Designer Gold Collection. This classic bangle bracelet of sleek, smooth 18k white gold evinces stunning attention to detail, in the inclusion of a delicate, hidden synthetic ruby, said to invite health and happiness. 18k white gold Signature synthetic ruby detail at interior Diameter, about 2.25" Width, about 0.25" Hinged push-lock closure Made in Italy. Fine Jewelry - Roberto Coin Asset > Saks Fifth Avenue > Barneys. Roberto Coin. Color: White Gold.