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Size

Size guide
Not sure? Choose Ring sizer + Ring. We ship the sizer first, then you confirm your final size.

Color

Black Ceramic
Free UK and EU shipping 30-day returns 2-year warranty Secure checkout
Accepted payment methods

Order now

Today

Order shipped out

Today

Delivered

4-6 days

Find the right ring fit.

Use the ring sizer flow, size chart, and specifications below before choosing your final Astari ring.

Ring facts

Material
Ceramic or metal
Waterproof
5 ATM
Warranty
2 years
How ring payments work

Pay in 3 simple steps

  1. Connect your bank card in minutes
  2. Wear your ring like any other
  3. Tap to pay anywhere contactless is accepted. It works just like your bank card, but then around your finger.

No battery. No charging!

Will it work with my bank/card?

Yes, our wearables work with every Visa and Mastercard.

For most customers, the easiest way is to connect one or more cards using our free partner Curve. This only takes a few minutes and our step by step (video) guide will walk you through it.

Some banks can also be connected directly, depending on your region.

Is it safe to use?

Yes, your ring uses secure NFC technology with encrypted payment credentials. So your card number always stays protected.

For higher amounts, you will confirm the payment with your PIN, just like a regular card. Our wearables are certified, just like regular payment cards.

You stay fully in control at all times with our app.

What is my ring size
Not sure? Start with the ring sizer.

Choose Ring sizer + Ring. We ship the sizer first, then you confirm the perfect fit in the order portal before your final ring is made and sent.

Size conversion table

Inside diameter US / ASTARIUK FR / DE IT / ES
16.6 mm6L5210
17.2 mm7N5413
18.1 mm8P5716
19.1 mm9R6019
19.7 mm10T6221
20.7 mm11V6524
21.6 mm12X6827
22.3 mm13Z7030
23.2 mm14Z+37333
24.0 mm15Z+57536
Free UK & EU shipping

Estimated delivery times

• United Kingdom: 2-4 business days

• Rest of Europe: 2-7 business days

• Worldwide: 6-10 business days

📦 Tracking provided via email once your order is processed. Almost always delivered as a mailbox package, so no need to be home for delivery!

30 days - money back

Astari offers a 30 day return or exchange policy if you are unable to set up your wearable or are not satisfied.

everyday convenience

A payment ring built for you

Astari rings are battery-free, waterproof, secure, and ready for daily payments without needing your phone or wallet.
Astari payment ring styled for everyday wear
01

Never search for your wallet again.

Leave your wallet at home. Pay instantly, anywhere contactless is accepted! Works exactly like your bank card.

  • Pay in seconds
  • Always ready, no battery
  • Perfect for daily use, travel and quick payments
  • Even without your phone nearby
Astari app setup overview
02

Ready in minutes

Setup takes just minutes. Everything stays in your control.

  • Connect your card in minutes
  • Works with almost every card
  • Freeze or disable your ring anytime, with our app
  • Update your payment details whenever you want
Astari payment ring near water
03

Made for your life

Once you use it, you will wonder how you lived without.

  • Grab your coffee in seconds, even with your hands full
  • Pay for groceries without reaching for your wallet
  • Pay instantly while traveling, anywhere you go worldwide
  • Tap in on public transport in seconds
Gold Astari payment ring
04

Secure and in your control

Designed with the same security as your bank card.

  • Only works when intentionally held near a terminal
  • PIN required for safe payments
  • Encrypted and secure
  • Feels just like paying with your 'basic' card

Rated 4.4 / 5

Based on 182 reviews

1 day ago

“The ring is fabulous! It works beautifully: exactly like you'd hope it would, and set-up was extremely simple. Delivery was fast and the level of customer service from Mike at Astari is what every company should aspire to. A brilliant experience from start to finish.”

Stuart C.
2 days ago

“Just got an Astari ring for my birthday and I have to say it is one of the best presents ever. Easy to set up once you download and set up a Curve account and the Manage Mii app. Started using it the next day. No problems.”

Nigel Myles
2 days ago

“Love my wearable wrist band. Very handy to use so you do not have to keep your card close. I also had excellent customer service when I had a problem, which was sorted quickly.”

Raymond Edwards
5 days ago

“I genuinely love this ring so much. I bought it as a just-in-case I forget my phone, but to be honest I just use it instead because it is always there and I don't have to get anything out.”

Jay J.
8 days ago

“I absolutely love my new Astari ring. The service received has been excellent. So convenient to use and a gorgeous ring also. A couple of minor setup issues, but once done it has worked really well.”

C. Hall
8 days ago

“Great product, simple to set up. Highly recommended.”

Michael T.
9 days ago

“Received my ring yesterday and found the connection process pretty easy. Used the ring for the first time today and it worked without any issues, so much more convenient than getting my card out.”

David B.
13 days ago

“Excellent experience from ordering to setting up my wearable. The support team was extra helpful when needed, the delivery was fast and the product looks and works as expected.”

Manolis D.
14 days ago

“If you follow the instructions it takes about five minutes to set this up successfully. Comfortable to wear and easy to use.”

Andy Holt
17 days ago

“The option for getting a ring sizer if you are unsure is great. Support was simple, kept me updated on stock, and the setup was straightforward. I would recommend to anyone.”

Gage Curry

FAQ

Frequently asked questions

Answers about payment compatibility, setup, security, charging, phone-free use, sizing, waterproofing, warranty, and technical details.

Will it work with my bank/card?

Yes, Astari wearables work with every Mastercard or Visa card.

For most customers, the easiest option is to connect their payment card through the free Curve wallet app. The setup guide and video walk you through this quick process.

Some banks can also connect directly because Astari already has direct integrations with them. If your bank is not in the direct support list, you can usually use Curve for free. Check directly supported banks here.

How does paying work?

Simply hold your ring purposefully against a contactless payment terminal. It works just like your bank card. For higher amounts, you confirm with your PIN.

For best practices, see our guide on how to pay with passive payment wearables.

Is paying with the ring safe?

Yes. It uses the same secure technology as your bank card. For higher payments, you will be asked to enter your PIN.

You also stay fully in control through the app. All Astari wearables are certified to Mastercard and Visa standards.

Do I ever need to charge it?

No. Astari wearables use passive NFC technology, meaning they never need charging and are always ready to use, even if your phone runs out of battery.

Do I need my phone nearby to pay?

No. Once your ring is set up, you can pay without your phone or wallet.

Just tap and go.

How easy is setup?

Setup takes just a few minutes. Connect your card and you are ready to go. No technical knowledge is needed. Follow the simple step by step video or written guide and you will be set up quickly.

Can I connect multiple cards?

Yes, use the free Curve wallet app to link multiple Mastercard or Visa cards.

✔ Set a default card in Curve.

✔ Switch cards before paying or even reallocate payments afterward.

✔ Automate spending rules (e.g., groceries from Card A, purchases over €200 from Card B).

What if it does not work for me?

No problem. You can try it risk free.

We offer a 30 day return policy, so you can easily return or exchange your ring if needed.

Our support team is quick to respond, friendly and always happy to help.

Can I disable the ring if I lose it?

Yes. You can instantly freeze or disable your ring at any time through the app. This gives you full control, just like your banking app.

Is my wearable waterproof?

Yes. The ring is fully waterproof and designed for everyday use. You can wear it while washing your hands, swimming, or during workouts.

How long does the ring last?

The ring is built to last for years. Since it has no battery, there is nothing to charge or wear out like with other devices.

All Astari wearables undergo rigorous testing and come with a minimum 2-year warranty from the date of purchase.

Technical details
Full Description
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Lion Foundation support

Support a Good Cause

With every purchase, Astari donates to the Lion Foundation. Leave a review, and Astari doubles the donation on your behalf.

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Enjoy fast free shipping to most EU and UK countries.

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Get help and expert advice from our quick support team.

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