Black Star Signet Ring in Gold
Black Star Signet Ring in Gold
Black Star Signet Ring in Gold
Black Star Signet Ring in Gold
Black Star Signet Ring in Gold
Black Star Signet Ring in Gold
Black Star Signet Ring in Gold
Black Star Signet Ring in Gold
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Black Star Signet Ring in Gold

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  • Gifting options available -


Black Star Signet Ring in Gold

Round out your ring stack with the Black Star Signet Ring in Gold. Featuring an enchanting black agate face adorned with a twilight star motif and framed by a halo of sparkling cubic zirconia’s, this mystical signet ring adds celestial charm to any stack.

  • 18k Rose Gold Vermeil, Cubic Zirconia Stones, Black Agate Stone

  • Width: 10mm

  • Weight: 5.5g

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.

  • Avoid Water

    Do not place next to heater, window, air conditioner or in the bathroom. Do not wear in the pool.

  • Avoid Sweat

    Remove jewellery when exercising, or any other demanding physical work, as sweating causes the jewellery to tarnish.

  • 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.

  • Avoid Cosmetics

    Apply scents or cosmetics before you put on your jewellery. Perfumes and lotions will tarnish the jewellery.

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Check in store stock

  • 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

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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.


Returns & Exchanges

Treated your nearest and dearest? Orders placed between 29th October and 23rd December can be returned until 31st January.

For all other orders, we offer refunds and exchanges on eligible items returned within 28 days of purchase.

Items must be unworn and in their original condition. Please note, we’re unable to accept returns on:

  • Socks
  • Aftercare solutions
  • Personalised products, including engraving and monogramming

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

Every stack starts with a good base. Choose our exclusive necklaces and bracelets to start your charming look.

Size

Size
Only a few pieces left!
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Reviews

5.0
Rated 5.0 out of 5 stars
Based on 11 reviews
11 reviews
  • Chloe
    Verified Buyer
    Age Range 25 - 34
    Bought For Birthday
    12/23/25
    Age Range 25 - 34
    Bought For Birthday
    Rated 5 out of 5 stars
    Birthday gift

    I used the AI ring fit to work this one out and it was perfect. It fits really well on my ring finger and is of course beautiful! I love it xx

    QualityRated 5.0 on a scale of 1 to 5
  • Paula F.
    Verified Buyer
    Age Range 35 - 44
    Bought For No Reason
    11/21/25
    Age Range 35 - 44
    Bought For No Reason
    Rated 5 out of 5 stars
    Bold, Stylish, and Luxurious – A Must-Have Signet Ring

    The Black Star Signet Ring in Gold is stunning! The craftsmanship is top-notch, and the gold finish gives it a luxurious look. The black star detail adds a bold, distinctive touch, making it a standout piece. Comfortable to wear and surprisingly lightweight, it’s perfect for everyday use or special occasions. A truly stylish and versatile addition to any jewelry collection.

    QualityRated 5.0 on a scale of 1 to 5
  • tania w.
    Verified Buyer
    Age Range 55 - 64
    Bought For Personal Occasion
    1/14/26
    Age Range 55 - 64
    Bought For Personal Occasion
    Rated 5 out of 5 stars
    Ring

    My hisband bought me this ring for xmas beautiful fit

    QualityRated 5.0 on a scale of 1 to 5
  • Victoria R.
    Verified Buyer
    Age Range 25 - 34
    Bought For Personal Occasion
    1/2/26
    Age Range 25 - 34
    Bought For Personal Occasion
    Rated 5 out of 5 stars
    Perfect

    Love the design of this ring it matches perfectly with my other A&M jewels.

    QualityRated 5.0 on a scale of 1 to 5
  • Katie P.
    Verified Buyer
    Age Range 35 - 44
    Bought For No Reason
    12/27/25
    Age Range 35 - 44
    Bought For No Reason
    Rated 5 out of 5 stars
    Star Signet Ring

    A simply stunning ring

    QualityRated 5.0 on a scale of 1 to 5