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single crystal flat back stud earring

$38

Stone Color: April

Metal Color:Gold

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.

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ear stacker

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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)

Materials

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.

STAINLESS STEEL: We use this as a base metal for our bracelets and necklaces. We always use nickel free and lead free stainless steel. It is then plated with titanium nitride, a biocompatible material, to further protect sensitive skin.

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.