Timeless studs, rooted in meaning. A single round Black Onyx sits in a delicate claw setting, designed to be worn close as a personal source of strength. Known as the stone of willpower, Black Onyx supports determination, focus, and steady progress toward your goals, so these studs add a touch of intention to every look, from everyday to dressed up. Genuine gemstone: a round brilliant-cut Black Onyx, 3.5mm, GIA-checked for authenticity. Timeless silhouette: a classic claw-set stud that works solo or stacked with other piercings. Premium finish: 925 Sterling Silver, 18kt gold vermeil in yellow or rose, or solid 10kt gold in yellow, white, or rose. Meaningful design: Black Onyx for willpower and focus, and the December birthstone.