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Art Deco 18ct Gold Diamond Trilogy Ring (0.29ct) c.1920

SKU: 1829
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This gorgeous Art Deco 18ct Gold Diamond trilogy ring is simply stunning! As you can see it's just as beautiful today as it would have been nearly a century ago, and offered in immaculate condition.

The ring is set with a three twinkling Old cut Diamonds totalling 0.30ct in a pretty twist style setting and has the most delicate Platinum millegrain details. 

It's truly is a unique piece, and would make a gorgeous engagement ring or promise ring to any blushing bride! 

Item Details:

ERA:  Art Deco (1920-1930)

RING SIZE: UK Size P 1/2 / US Size 7 3/4
Resizing available on request - just send us a message to enquire!

MEASUREMENTS: The feature is 12mm across x 14mm wide x 3mm deep.
The central Diamond is approx. 3.5mm in diameter, weighing approx. 0.17ct.
The Diamonds on each side are approx. 2.5mm in diameter, weighing approx. 0.06ct each.
Total Diamond weight is approx. 0.29ct.
The band is 2mm wide at the back.
Weight: 2g

MATERIALS:  18ct Yellow Gold, Platinum, Diamond

HALLMARKS:  None present, tested as 18ct Yellow Gold & platinum.


EXCELLENT:  This lovely Art Deco Diamond trilogy ring is in excellent condition throughout. The Diamonds are excellent, with no scratches, chips or abrasions and the Gold setting is also perfect. It still has a high polish, and the dainty millegraine Platinum details are pristine! We simply can't fault it! Beautiful, elegant, practical and comfortable... if you're looking for the perfect Art Deco Diamond engagement ring this may be "The One" for you!


All orders are shipped using DHL express and are securely padded in transit, with full tracking and insurance for your peace of mind. Alternate couriers are available by special request.

  • FREE EXPRESS DELIVERY on all orders worldwide!
  • NEXT-DAY delivery to the UK and EU
  • Delivery to the USA in TWO WORKING DAYS
  • Orders placed by 1pm (GMT) will be dispatched the same day


You can return your item for a full refund for any reason by simply getting in touch to let us know within 14 days of receiving it.


This item will arrive beautifully gift wrapped in a Lillicoco presentation box, tied up with a pink ribbon. You’ll also receive a handwritten information booklet and free polishing cloth too!

Please message us or call +44(0)117 925 4798 if you have any questions!