Body Candy Solid 14k White Gold 1.5mm Genuine Blue Topaz Right Nose Stud Screw 18 Gauge 1/4" Gauge size 18 gauge; 1 millimeter Length 1/4 inch; 6 millimeters Nose stud with natural blue topaz in prong setting Solid 14k white gold nose ring with polished finish Nose screw designed for use in right nostril