éGenuine blue topaz nose ring. 20 gauge 18kt yellow gold nose ring with a 1.5mm prong set genuine topaz. Body jewelery piercing nose ring. Specifications: 20 Gauge (.8mm), 1/4" (6mm), Solid 18kt Gold, 1.5mm Genuine Topaz, Prong-set, Hand Assembled in the USA, Hand polishedé