Super cute and fits in
"Super cute and fits in my conch perfectly"
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Available in silver, rose gold or gold, this 16 Gauge Internally Threaded Crystal Moon Stud combines a durable 316L surgical steel flat-back post with a detailed brass crescent moon topper and a choice of 6mm or 8mm lengths. Tiny cubic zirconia fill the 6mm moon design, creating a delicate celestial focal point with plenty of light-catching sparkle.
✨ Why You'll Love It
✔ Sparkling Crescent Moon Design: A delicate 6mm crescent moon is filled with tiny cubic zirconia, creating a celestial statement with beautiful detail and sparkle.
✔ Detailed Mixed-Material Design: A durable 316L surgical steel post is paired with a decorative brass moon topper, allowing for the more intricate crystal-set design.
✔ Internally Threaded Flat Back: The threading sits inside the post for a smooth exterior, while the flat-back design creates a clean, streamlined finish when worn.
💎 The Detail
Celestial, sparkling and easy to build into an ear stack, this Crystal Moon Stud gives the classic crescent motif a more decorative finish with a surface of tiny light-catching stones. The compact 6mm topper makes a distinctive focal point while remaining easy to pair with simple hoops, stars and other crystal jewellery.
Available in silver, rose gold or gold with a choice of 6mm or 8mm internally threaded flat-back posts, it can be styled in compatible helix, flat, forward helix, tragus, conch, lobe and labret piercings. The correct post length and jewellery style will depend on your individual anatomy and piercing placement.
The highlighted areas below show typical compatible placements for this jewellery.
Suitable for the highlighted piercing placements shown above. Check the gauge and post length against jewellery that already fits your piercing comfortably.
Placement suitability and sizing can vary depending on your individual anatomy and piercing position.
These are the measurements for this piece of jewellery. If this product has multiple sizes, the guide will use your selected size where available. Compare with jewellery that already fits you comfortably if you're unsure.
We aim to dispatch orders within 24 hours, Monday–Friday. All UK delivery options are fully tracked.
Need it quickly? Express orders placed before 2pm Monday–Friday are eligible for same-day dispatch. Next Day Delivery orders must be placed before 2pm for same-day dispatch.
Cut-off times exclude weekends, UK Bank Holidays and multipack sets. Delivery estimates begin after dispatch.
Changed your mind? Unopened piercing jewellery can be returned within 90 days of purchase.
Your statutory rights are not affected.
MATERIALS & CARE
Care guidance based on the materials and finish used in this piece.
This design contains brass. Keep it dry and wear only in fully healed piercings. Remove before showering, swimming, exercising or sleeping.
Typical Sizes by Piercing
| Piercing | Common Gauge | Typical Post Length* |
|---|---|---|
| Lobe | 16G–20G | 6–8mm |
| Helix | 16G–18G | 6–8mm |
| Forward Helix | 16G–18G | 6mm |
| Flat | 16G–18G | 6–8mm |
| Tragus | 16G–18G | 6mm |
| Conch | 16G | 6–8mm |
| Nostril | 18G–20G | 6–8mm |
*Typical sizes are a guide for healed piercings only. Anatomy and piercing placement vary, so your ideal post length may differ. Where possible, measure jewellery that already fits comfortably or ask your piercer.
Gauge / Thickness
| Gauge | Thickness | Commonly Used For |
|---|---|---|
| 20G | 0.8mm | Fine piercing jewellery |
| 18G | 1.0mm | Nose and some ear piercings |
| 16G | 1.2mm | Common cartilage and flat back jewellery size |
| 14G | 1.6mm | Thicker piercing jewellery |
Bar Length
| Length | Fit |
|---|---|
| 4mm | Very short / close fit |
| 6mm | Close, neat fit for many healed piercings |
| 8mm | More room and a slightly looser fit |
| 10mm | Longer fit / additional room |
| 12mm+ | Extra length where required |
How is length measured?
Bar length is measured along the wearable post only, not including the decorative top or flat back.

Everyone’s anatomy is different. If possible, measure a piece of jewellery that already fits you comfortably.
“Quick shipping and great product will be buying again”
Overall rating: 4.125 / 5 from 8 reviews.
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"Super cute and fits in my conch perfectly"
"Love it"
"Love the earrings I just think that the screw in is a little fiddly because it’s so short but I eventually got them in and my ears look cuter than ever the flat backs are so comfy."
"Hi, this is a lovely little piece of jewelry, however I did find it really difficult to put in and had to get someone else to do it for me, think I might purchase a hoop next time. Thaks"
"very good quality, is a sturuggle to get in to a piercing like a conch as it is internally threaded but once its in it stays in well"
"Love this little moon, it looks wonderful when it's in!"
"Kooks amazing unable to actually put in conch as so trickyawkward to screw into base ."
"Really liked the look of it but found it hard to thread the moon on once the bar was inserted."