Solid 14k White Gold 1.5mm (0.015 cttw) Genuine Diamond Nose Stud Bone 20 Gauge 1/4" Gauge 20 gauge; .8 millimeters Length 1/4 inch; 6 millimeters 1.5 millimeter; 0.015 cttw natural white diamond in prong setting Solid 14k white gold nose stud with polished finish