Details This square diamond stud earring is made of ASTM F136 implant-grade titanium. Materials: ASTM F136 implant-grade titanium, cubic zirconia; Type: Labret studs (flatback); Thickness: 1.2 mm (16 gauge); Length: 6mm, 8mm, 10mm, 12mm; Metal color: Silver, gold; Gem size: 4mm; Gem color: Clear, pink, purple; Closure: Internally threaded; Quantity: 1 piece; Applications: Ear piercings, nose piercings, lip piercings, cartilage piercings, Helix piercings, Conch piercings, Flat piercings, earlobe piercings, Tragus piercings, Auricle piercings, and so on. For more information about piercing jewelry sizes, please refer to our piercing size chart. Shipping This square diamond stud earring is made with love. We will ship the order within 3 to 4 business days, and transit times can vary depending on various factors.