14kt gold belly button rings, purple opal sunburst belly button rings. Purple opal faux glitter belly ring. This glittery opal has flecks of pink, yellow and greens and is set in a tribal shaped sun, with a matching purple opal on the top ball. Opal sun setting is 20mm on the bottom of the belly button rings, and the top is 9mm x 8mm. The opal belly button rings 14 gauge and 3/8" long, and is made of 14kt gold plated 316L surgical steel.