Body Candy Solid 14k White Gold 1.5mm Genuine Blue Sapphire Left Nose Stud Screw 20 Gauge 1/4" Gauge 20 gauge; .8 millimeters Length 1/4 inch; 6 millimeters Nose ring with 2 millimeter natural blue sapphire gemstone in prong setting Solid 14k white gold nose stud with polished finish