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Flash Interstellar Black Diamond Ring


Availability: In stock

This statement ring features a bold ‘flash’ of black diamonds set in 14 carat rose gold. Inspired by celestial imagery, the Interstellar jewellery collection comprises of diamond jewellery pieces that radiate with cluster settings and brilliant cut diamonds. This ring is a distinctive piece that makes a contemporary statement effortlessly.

  • Set in solid 14 carat rose gold
  • Cluster formation of brilliant cut black diamonds
  • Graduating size of diamonds for optimal radiance
  • Produced using 100% recycled gold
  • All of our diamonds are natural and ethically sourced
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Collection Interstellar
Gemstone Black Diamond
Diamond Specification 0.64ct Black
Metal Rose Gold (Solid, 100% Recycled)
Metal Type 14 carat Gold


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.

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Free shipping on all United States orders.

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

Free returns*

  • All items, including earrings, are returnable within 14 days of receipt.

*Excluding engraved pieces

Metal: Rose Gold (Solid, 100% Recycled) | Gemstone: Black Diamond | Verified purchase


My boyfriend bought me this as our forever ring. Black diamonds are the way to this girls heart and it is simply stunning!

Metal: Yellow Gold (Solid, 100% Recycled) | Gemstone: Diamond | Verified purchase

The ring was lovely, but was too big for my wife so it had to be returned...and two weeks later I am still waiting for a refund!

Reply from Astley Clarke

Hi Lee, thank you so much for taking your time to give us feedback. We are very sorry about this. We can see that you have been in touch with a member of our customer service team regarding this and that a refund was issued on the date of contact. Please note that card refunds can take up to 3-5 working days to appear in your account. If there is anything else you need please feel free to contact us and we would be delighted to help.

Best Wishes,

Team AC

Metal: Yellow Gold (Solid, 100% Recycled) | Gemstone: Diamond | Verified purchase


Love this ring. This is a real wow piece, standout shape with very sparkly diamonds. Lots of sparkle for the money

Metal: Yellow Gold (Solid, 100% Recycled) | Gemstone: Diamond | Verified purchase


Beautiful Ring! Great for both everyday and occasions. Looks amazing with my other rings and by itself.

Metal: Yellow Gold (Solid, 100% Recycled) | Gemstone: Diamond | Verified purchase


Great support on the phone. Really helpful trying to find the right size ring from various stores. Excellent overnight shipping. I appreciated that you could look up what size ring I needed to buy! My wife thinks it's a beautiful Christmas present.

Metal: Yellow Gold (Solid, 100% Recycled) | Gemstone: Diamond | Verified purchase


The BEST Jewellery brand - I'm such a big fan! Beautiful, such a stunning, unusual product. Everyone admires it - I haven't taken it off since I received it in a beautiful little package :)

Metal: Yellow Gold (Solid, 100% Recycled) | Gemstone: Diamond | Verified purchase


Flawless from beginning to end. I had some questions on the product and they were answered quickly and knowledgeably. Will be my first call for jewellery purchases from now on. Such a stunning product. The unusual shape emphasises the stunning diamond pave. I bought as a special occasion ring but I have yet to take it off.

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