About This Stud Classic, clean, and full of sparkle—this Aquamarine crystal crown stud shines bright in any stack. Showcasing a regal crown silhouette paired with a vibrant aquamarine cubic zirconia, this piece adds a touch of elegance to your upper ear. Designed with a secure push pin for all-day comfort, its golden setting creates a stunning look perfect for daily wear. We believe everyday jewelry should feel as good as it looks. That's why we've upgraded this piece to premium ASTM F-136 implant-grade titanium. It's the same beloved design you know, but now it's completely hypoallergenic and safe for even the most sensitive ears. Paired with AAAAA-grade cubic zirconia, it offers a brilliant shine that stays with you from morning coffee to late-night dreams. Details - Sold as a single - Bar Gauge and Length: 18G-6mm - Aquamarine AAAAA grade cubic zirconia for brilliant sparkle - Closure: Push in - Made of solid implant grade titanium / Gold version is coated in 18k gold PVD Plating - Flat Back Disc Size: 0.15" (4mm) - Waterproof / Hypoallergenic / Nickel Free