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Collections / all hypoallergenic earrings / Single Blue Crystal Flat Back Stud Earring

single blue crystal flat back stud earring

single blue crystal flat back stud earring

€33,95
Metal Color:Gold
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Non-Allergenic Earrings

Certified ASTM F-136 Implant Grade Titanium. See results

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Try it risk-free. Return it if it’s not a perfect fit for your skin.

  • BASE METAL: Implant Grade Titanium ASTM F-136
  • COATING PVD: Titanium Nitride
  • FLAT BACK TYPE : Internally Threaded
  • STUD DIAMETER : 1.2mm
  • POST LENGTH: 6mm
  • POST THICKNESS: 16G (1.1mm)
  • BASE METAL: Implant Grade Titanium ASTM F-136
  • COATING PVD: Titanium Nitride
  • FLAT BACK TYPE : Internally Threaded
  • STUD DIAMETER : 1.2mm
  • POST LENGTH: 6mm
  • POST THICKNESS: 16G (1.1mm)
  • ASTM F-67: Pure, unalloyed titanium. This is the safest metal for sensitive ears because it is the least likely to cause a reaction. We use this for almost all of our earrings.
  • ASTM F-136: Implant grade titanium. This is an biocompatible alloy containing aluminum, vanadium, and titanium. We use this for our flat back studs.
  • COATING: Titanium nitride PVD is applied to our gold jewelry to give it an 18k gold color. Titanium nitride is a hypoallergenic material that is more durable and resistant to wear than gold plating.
  • CARE: Since the materials we use are non-tarnishing, our jewelry can be worn in the water and will not change color, rust, tarnish or turn green. 
Hypoallergenic single crystal birthstone flat back stud earring made for elevating your ear stack. Designed with an internally threaded flat back and crafted with ASTM F-136 implant-grade titanium for ultimate 24/7 comfort. The skin-friendly flat back earring is available in each birthstone color. 

99.5% Success for Sensitive Ears

Nickel Free

Waterproof • Non Tarnishing

365 Day Warranty

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How We Styled This

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Tested for Purity

We lab test our earrings to ensure they meet our Clean Jewelry standards

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Pair With

single carina flat back stud earring

€38,95
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single blue crystal flat back stud earring

€33,95