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A little lift for your ear stack. Our Winged Crystal Stud features a delicate trio of marquise-cut crystals, designed to mimic the effortless flutter of wings. Crafted in solid titanium, it's waterproof, hypoallergenic, and built for 24/7 wear - ready to sparkle through beach days, late nights, and everything in between.
✧ Implant grade ASTM F-136 titanium
✧ 16 Gauge (1.2mm) thickness
✧ Internally threaded for comfort and secure wear
✧ Sold individually
Free UK delivery -Enjoy complimentary 24hr delivery on orders over £60
Same day dispatch -Order before 2pm GMT on weekdays for same day dispatch on next day deliveries
Implantium™ is Smoothie London's standard for jewellery that works as hard as you do:
Implant-grade titanium: ASTM F-136 - the same material grade used in medical implants, chosen for its exceptional biocompatibility and suitability for sensitive skin.
Waterproof & tarnish-proof: wear it in the shower, at the gym, or on holiday without a second thought.
No-poke comfort: our flatback design means you can sleep, train, and live in them 24/7.
Where most brands settle for stainless steel or mystery alloys, we raised the bar and created Implantium™: a new benchmark for piercing jewellery that’s stylish, and designed for everyday life.
Everyone's skin is different - if you're choosing jewellery for a fresh or healing piercing, we always recommend following your piercer's guidance.
8mm - Standard for lobes and most fresh piercings.
6mm - Snug fit for thinner cartilage placements (helix, tragus, flat). If your piercing is fully healed and you want a flush look, choose 6mm.
For more custom sizing recommendations, take our quiz.
Premium quality
ASTM F-136
Implant Grade Titanium
21,000+
Stacks built
1500+
5-star reviews
Why Implantium™?
Our Implantium™ titanium is ASTM F-136 - the same material grade used in medical implants: highly biocompatible, waterproof, and made for everyday wear.
Poke-freeInternally threadedLonger screws for easy insertion
Fancy another look?
Customer Reviews
Overall rating: 4.8 / 5 from 540 reviews.
I loveeee these earrings they have been in for ages and have had no issues, they helped to heal my difficult piercings in the second lobe
Rhiannon5/5Verified
I have had my piercing for years, always been infected and have tried loads of different jewelleries, never worked. These flatbacks are amazing, 8mm works when it is bumpy, gorgeous shiny comfy, just can't ask for more X
Natalie5/5Verified
Brought as a cute set, absolutely love them they are so dainty and great quality. I would highly recommend. All the earrings I’m wearing are from Smoothie London, I get so many compliments about how lovely my earrings are! Very happy with the purchases I made.
Camille5/5Verified
Lovely cartilage jewellery! Have struggled with irritation in my 2nd lobe holes and my top cartilage, now I have no issues. Thank you!
Hayley5/5Verified
Absolutely love this piece. My helix was previously struggling to heal and since switching to this piece of jewellery, I no longer suffer with swelling. Would definitely recommend.
Rachael5/5Verified
Love my new ear design thank you and had loads of compliments and my swelling has gone down after 4 months of struggling thank you
Penelope5/5Verified
I absolutely love this earring. It’s so comfy to sleep in and so dainty, it looks incredible in the ear! So easy to stack too!!
Jade5/5Verified
Customer service has been fantastic. Love the jewelery... finally, my ear doesnt hurt when I sleep!
Really cute and dainty.
I'll be buying more 💛
Michelle5/5Verified
LOVE this piece! I've been looking for a spiral earring for so long! It's such good quality and very cute!
Maisie5/5Verified
Love my Sparkly helix flat back! I can finally sleep on my side after 2 years of a bruised & tender feeling ear...Its so comfy!! I was starting to think I needed to remove my old stud & give up but am so glad I found Smoothie London!
Highly recommend the Implantium range! Pretty & practical! Im about to place my 3rd order! x
Kerry5/5Verified
Love my new flatback earrings in titanium! Its the only metal and backing of earring that I'll buy due to extremely sensitive ears. Look forward to my next purchase treat.
Christine5/5Verified
Super comfy in the lobe or cartilage! No irritation at all!
Charlotte5/5Verified
I love it so much, the perfect addition to my Smoothie London stack!
Rosie5/5Verified
Love this piece!
Very well made.
Fits perfectly on my helix.
Always receiving compliments about it.
Cam5/5Verified
I absolutely love my new purchase!! It fits really well, was really simple to put in and looks great!!
Gemma5/5Verified
Amazing quality, price and hopefully they will last as I like not having to change my piercings
Victoria5/5Verified
I love the earrings! No irritation and super comfy!
Charlotte5/5Verified
Stunning earrings that don’t irritate my healing piercings.
Charlie4/5Verified
I've this earring, I get lots of people tell me it's lovely
Sam5/5Verified
I really love the design of this earring but I think it would be so much better if they offered different ones for your left and right ear as obviously they curve differently and these earrings are a-symmetrical
Annabel4/5Verified
Really useful customer service team who helped answer all my queries with my purchase. Order came quickly and great quality. Had been having problems with my helix piercing but all sorted once I put this one in!
Aimee5/5Verified
It’s a very beautiful, delicate looking piece for an upper ear cartilage piercing. Very happy.
Kerry5/5Verified
Love this so much and sooooo comfortable to wear and sleep with. Have had lots of compliments
Aileen5/5Verified
Lovely earring, exactly as shown. Fits perfectly! Thank you so much x
Hannah5/5Verified
I am very pleased with my purchase, it is made well, feels quality and I have no problems recommending it to my friends and family. I will definitely be looking at more 🤩
Suzanne5/5Verified
Looks super cute and fits really well.
Angharad5/5Verified
Super cute!
Charlotte5/5Verified
The earring is dainty and very comfortable.
I have smaller ears so it’s a little too big for my cartilage piercing - I will wear it lower down my ear.
Elizabeth4/5Verified
I preordered the gilded leaf flatback stud and it was worth the wait! It came within the delivery window that it stated and came perfectly packaged with a lovely travel pouch! The item itself is perfect, I love the shape of the flatback! I also love that the screw in front has a slightly longer thread than others, making it easier to tighten the earring. The piece is perfect and I love the design and the shine it has!
Rachel Thomas5/5Verified
Lovely, stands out very well even in a tucked in area.
Jess5/5Verified
Great product at a good price point and fast delivery. Also loved the gorgeous little pouch that came with it!
Helen5/5Verified
wonderful brand! extremely fast shipping and amazing customer service. the pieces are absolutely gorgeous
Nancy5/5Verified
This was my first order and I was really impressed! The earring is very comfortable to wear, I cant wait to order more!
Jenni5/5Verified
Accidentally bought 8mm and won’t fit anywhere on my ear so I’m disappointed with myself! But the earring itself is lovely… I just can’t use it 😞
Jodie4/5Verified
i think the photos on the website were a bit misleading in terms of size but i think the actual product is good
Shazia4/5Verified
Would love a variety of flatback threaded studs with no gems, just simple delicate styles to not outshine the fancier ones.
Ruth5/5Verified
This earring is in my Travis. I love these earring so much. My whole ear is nearly all Smoothie London earrings. So lovely and pretty and well worth the money.
Lucy5/5Verified
Absolutely beautiful flat back, so intricate and well designed. Will definitely be ordering more from Smoothie!
Helena5/5Verified
Love my Second purchase, comes packaged so lovely too 🥰
