Solid 14k White Gold 1.5mm Genuine Pink Sapphire Nose Stud Bone 18 Gauge 1/4" Gauge size 18 gauge; 1 millimeter Length 1/4 inch; 6 millimeters Nose stud with natural pink sapphire in prong setting Solid 14k white gold nose ring with polished finish Straight nose bone can be worn in either nostril