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NICKEL FREE HYPOALLERGENIC
LIFETIME GUARANTEE
WATERPROOF
CERTIFIED
PIERCER APPROVED
A striking round-cut crystal stud from our Air Set Collection, designed with a barely-there setting to create the illusion of a crystal suspended against the ear. Striking, chic and completely on-trend, Air Set brings high-impact sparkle with minimal visible metal for a clean, elevated finish.
Available in an incredible seven sizes, from subtle sparkle to serious statement, giving you endless ways to create your perfect stack. Wear the larger stones alone in the lobe for effortless impact, add one to a high cartilage placement, or cluster different sizes and shapes together for a more statement look. Mix your Round Crystal with our Air Set Pear and Marquise stones for a random mix of cuts and proportions that creates the ultimate It-girl stack.
Crafted with Implant Grade ASTM F136 Titanium, the number one choice for piercing jewellery.
Suitable for: Helix, Flat, Conch, Tragus, Forward Helix, Lobe
Size & Materials:
- 16 Gauge, 1.2mm bar thickness
- 6mm or 8mm post length
- Available in seven crystal sizes
- Round-cut crystal
- Air Set barely-there setting
- Implant Grade ASTM F136 Titanium
- Internally threaded, front-screwing stud
- Hypoallergenic
- No Nickel
- Waterproof & Sweat Proof
- Piercer Approved
- Lifetime Colour Guarantee
A NOTE ON FIT
With our larger Air Set stones, the perfect post length is especially important. Due to the additional weight of a larger stone, a post that is too long can allow the stud to tilt or droop forwards rather than sitting flush against the ear.
For the cleanest fit, we recommend choosing a shorter, snug-fitting post where suitable for your piercing. Already have your Air Set stud? You can also shop our additional post lengths here to find your perfect fit.
Shipping and Delivery
Enjoy complimentary shipping on orders over £50.
All orders placed before 12pm are prepared and shipped the same day.
We offer Tracked 24 and Tracked 48 delivery via Royal Mail.
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ANCHOR CERT PRO 2 CERTIFIED
Independently Tested By The Assay Office
Our implant-grade titanium flat back labret studs are independently tested by the Birmingham Assay Office and certified to AnchorCert Protect standards a specialist hypoallergenic jewellery testing programme designed to assess skin safety, allergen risk, and regulatory compliance.
Unlike basic jewellery testing that focuses only on nickel, AnchorCert Protect screens for a wider range of metals recognised as potential skin sensitisers and allergens.
Our jewellery has been tested for:
- Nickel release
- Lead content
- Cadmium content
- Additional recognised allergenic metallic elements
All tested samples passed:
- European REACH compliance
- AnchorCert Protect compliance requirements
This means the jewellery meets strict standards for skin contact safety and is considered suitable for sensitive skin.
Need help?
Frequently Asked Questions
Order
A flat back labret is a type of piercing jewellery with a smooth flat disc backing instead of a butterfly back. They’re designed for a more comfortable fit, especially for cartilage piercings and everyday wear.
Yes all of our flat back labrets are internally threaded, meaning the decorative front screws into the post from the front. This creates a smoother, more comfortable fit and is considered the preferred option for piercing jewellery.
Flat back labrets are inserted from the back of the ear, with the front piece screwing on from the front. They can feel fiddly at first, especially in cartilage piercings.
If you struggle changing your jewellery, our jewellery changing toolS including our Stud Grabber Tool and Insertion Taper are designed to make the process much easier.
Our most popular sizes are:
6mm — ideal for most healed cartilage piercings
8mm — offers a little more room depending on anatomy or placement
Because everybody’s anatomy is different, we also sell 5mm, 6mm, 8mm and 10mm spare posts for a more customised fit.
Yes our spare internally threaded posts are designed so you can change your post length without re-buying the entire stud. All compatible Cartilage Cartel flat back fronts can be interchanged with our spare posts.
Yes our implant-grade titanium flat back labrets are hypoallergenic, nickel free, waterproof, sweat proof, and piercer approved, making them ideal for sensitive ears and long-term wear.

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