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Luna Mother of Pearl Signet Ring


Availability: In stock

Featuring a gleaming mother of pearl slice and white sapphire-set shoulders, this 18 karat gold vermeil Luna Signet Ring is an everyday essential. Wear this ring on the little finger for a traditional look or mix it up with an index or middle finger fit.

  • Iridescent mother of pearl brings brilliant unexpected flashes of colour
  • The classic ring style, reinterpreted
  • Inspired by the moon’s gravitational pull and the lapping waves it conducts
FH Only 1 in stock J Only 2 in stock LNP
Size Guide

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Collection Luna
Gemstone Mother of Pearl
Gemstone Details Gemstone slice: 9 x 7.5 x 1mm, white sapphires: 0.8, 1, 1.2, 1.5mm
Metal Yellow Gold (Vermeil)
Metal Type 18 karat Gold Plated Sterling Silver
Dimensions Shoulders: 9mm tapering to 2.7mm


UK Size US Size EU Size Diameter
F 3 44 14.1mm
G 3 1/2 45 14.5mm
H 4 46 14.7mm
I 4 1/2 48 15.2mm
J 5 49 15.6mm
K 5 1/2 50 16.0mm
L 6 51 16.4mm
M 6 1/2 53 16.8mm
N 7 54 17.2mm
O 7 1/2 55 17.6mm
P 8 56 18.0mm

To download the ring size guide or order your free ring sizer, visit our size guide.


Use our photograph guide to personalise your locket.



Free shipping on all United States orders.

  • Sent by Express Courier (Air)
  • Up to 3 working days delivery time

All items are returnable within 14 days of receipt.

  • Express Returns service available for a flat rate of £10 (deducted from your returns credit)
  • Or return the item(s) via your preferred carrier.
Metal: Yellow Gold (Vermeil) | Gemstone: Mother of Pearl | Verified purchase


I bought as a gift and it looks wonderful! She loved it!

Metal: Yellow Gold (Vermeil) | Gemstone: Mother of Pearl | Verified purchase


I’m loving the ring, been wearing it ever since I got it. It’s beautiful and classy, I particularly liked the vintage vibe it has. Couldn’t be happier.

Metal: Yellow Gold (Vermeil) | Gemstone: Mother of Pearl | Verified purchase



Metal: Yellow Gold (Vermeil) | Gemstone: Mother of Pearl | Verified purchase


I love Astley Clarke jewellery so this was a bit disappointing after only about 3/4 days of wear the gold vermille has started to wear off and the inside is looking more silver 😞

Reply from Astley Clarke

Dear Jocelyn, Thank you for taking the time to provide feedback regarding your recent purchase. It is disappointing to see that this has happened and is very unusual indeed! Please expect an email from the customer care team shortly with regards to this matter. Best wishes, Team AC

Metal: Sterling Silver | Gemstone: Abalone | Verified purchase


Really pretty ring. I've had lots of lovely comments!

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