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Cosmic Signet Ring in Gold
€100
Material: 18k Gold Vermeil
Select Size:
Size Guide
Size Guide - Rings
The majority of our rings come in sizes L, N, P & S. We've got this handy guide which can measure your ring size from your existing ring collection! Click here to view.
| Inside Diameter (mm) | UK | US | EU | CH |
|---|---|---|---|---|
| 14.1 | F | 3 | 44 | 4 |
| 14.9 | H | 3.75 | 47 | 6 |
| 15.7 | J | 5 | 48.5 | 9 |
| 16.3 | L | 5.75 | 51 | 11 |
| 17.1 | N | 6.75 | 53.5 | 13 |
| 17.9 | P | 7.5 | 56 | 15 |
| 18.8 | R | 8.75 | 58 | 18.5 |
| 19.3 | S | 9 | 59.5 | 20 |
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In Stock - Free Delivery Available
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Pre-order protected by Purple Dot
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Free standard shipping available. Duties & taxes included -
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Pay within 30 days or in 3 installments, interest free - Learn more
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Gifting options available -
Cosmic Signet Ring in Gold
Your ring stack has never looked so mystic. The Cosmic Crystal Signet Ring in Gold features a pavé star and moon design to make your stack shine. Wear alone, or with other band and signet rings.
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18k Gold Vermeil, Cubic Zirconia Stones
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Inner Diameter: 14.1mm
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Outer Diameter: 16.9mm
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Weight: 4.3g
Crafted in 18k gold vermeil, for a durable finish that shines in your collection for longer. Our vermeil pieces have a sterling silver base, electroplated with a 2.5 micron layer of 18k gold.
As most of our pieces are costume jewellery made from sterling silver or brass, plated with 18ct rose gold, 18ct gold and rhodium, they need special looking after for you to enjoy the beauty for a longer period of time. Here’s a list of tips for you on how to care for your Astrid & Miyu jewellery.
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Avoid Water
Do not place next to heater, window, air conditioner or in the bathroom. Do not wear in the pool.
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Avoid Sweat
Remove jewellery when exercising, or any other demanding physical work, as sweating causes the jewellery to tarnish.
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Storage
Storing in our original boxes or pouches is the best way to keep your jewellery. A zip plastic bag is a great alternative if no longer have the packaging.
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Avoid Cosmetics
Apply scents or cosmetics before you put on your jewellery. Perfumes and lotions will tarnish the jewellery.
Check in store stock
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Amsterdam
Runstraat 22A. 1016 GK, Amsterdam, Netherlands
Out of stock -
Dublin
2 Anne St, Dublin, D02 KR65, Ireland
Out of stock -
Kildare
Unit 112, Kildare Village Nurney Road Kildare Town Co. Kildare R51 R265, Ireland
Out of stock
Select Size
The majority of our rings come in sizes L, N, P & S. We've got this handy guide which can measure your ring size from your existing ring collection! Click here to view.
| Inside Diameter (mm) | UK | US | EU | CH |
|---|---|---|---|---|
| 14.1 | F | 3 | 44 | 4 |
| 14.9 | H | 3.75 | 47 | 6 |
| 15.7 | J | 5 | 48.5 | 9 |
| 16.3 | L | 5.75 | 51 | 11 |
| 17.1 | N | 6.75 | 53.5 | 13 |
| 17.9 | P | 7.5 | 56 | 15 |
| 18.8 | R | 8.75 | 58 | 18.5 |
| 19.3 | S | 9 | 59.5 | 20 |
Delivery & Returns
Standard Delivery
Free / 3-5 working days
Express Delivery
Free on orders over €120, or €10 / 2-3 working days
Order by 2pm Mon-Fri
Duties & taxes are included on all orders.
Free Extended Returns
Treating your nearest and dearest to A&M this year? We’re extending our returns period for orders placed from 29th October - 23rd December, so they can return their jewels until 31st January. Gifting has never been so stress free.
For returns outside of this period:
We offer refunds & exchanges as long as they are within 28 days of the date of purchase, and are eligible for return. We are happy to take back unwanted items (except socks, aftercare solution and personalised products, including engraving and monogramming).
The Advent Calendars can be returned until 1st December 2025.
For more information, please visit our help centre.
To place a return or exchange, please use our self-serve returns portal.
Gifting options
Your jewels will arrive in our 100% recyclable jewellery box and a reusable suedette pouch. Sending as a gift? Add the finishing touches to your order below. For your piece of mind, all orders come with a gift receipt.
Gift Bag
All pieces will arrive in one A&M bag. You can add multiple if needed.
Free Gift Message
Let your loved ones know what they mean to you with a free gift message.
Gift Wrap & Ribbon
All pieces will be individually wrapped in a cosmic sleeve, topped with a ribbon.
Select chain
Size
The majority of our rings come in sizes L, N, P & S. We've got this handy guide which can measure your ring size from your existing ring collection! Click here to view.
| Inside Diameter (mm) | UK | US | EU | CH |
|---|---|---|---|---|
| 14.1 | F | 3 | 44 | 4 |
| 14.9 | H | 3.75 | 47 | 6 |
| 15.7 | J | 5 | 48.5 | 9 |
| 16.3 | L | 5.75 | 51 | 11 |
| 17.1 | N | 6.75 | 53.5 | 13 |
| 17.9 | P | 7.5 | 56 | 15 |
| 18.8 | R | 8.75 | 58 | 18.5 |
| 19.3 | S | 9 | 59.5 | 20 |
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“Perfect fit and style the detail is super cute. Will definitely be ordering more jewelry from Astrid and Miyu.”
Naomi. M
