This bioplast labret has a comfortable push in style and is designed with 14k solid gold and a genuine 1.5mm diamond natural stone. Solid 14k gold push fit labret with bioplast stem. 14 gauge labret body jewelry.. Specifications: 14 Gauge (1.6mm), 3/8" (10mm), Solid 14k Gold, 1.5mm Genuine Diamond, Flexible Bioplast, Prong-Setting