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Square Art Deco 18ct Gold French Cut Sapphire Diamond Ring

$1,287.00 $1,093.00
SKU: X6800
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This is a fabulous square Art Deco 18ct Gold French Cut Sapphire Diamond ring! This antique ring is inlaid with a sought-after French Cut Sapphire, as well as twelve sparkling Diamonds to create this fabulously Deco piece.

Renowned for its iconic geometric silhouettes, this classic Art Deco ring is crafted from 18ct yellow Gold and Platinum, emblematic of the much-loved twentieth-century era. This striking ring would make a fantastic choice for a unique engagement ring!

Item Details:

ERA: Art Deco (1920-1939).

RING SIZE: UK Size O.5 / US Size 7 & 1/4.
Contact us for a resizing estimate at

MEASUREMENTS: Sapphire Diamond panel is 9mm x 9mm.
French-cut Sapphire is 3mm x 3mm
Diamonds are approx. 1.3mm in diameter.
Ring band is 2mm wide at the back.
Weight:  3.2g.

MATERIALS:  18ct Gold, Platinum settings, Sapphire, Diamonds.

STAMPS: 18CT inside band.

HALLMARKS: Since we have dated this piece as being made prior to 1950, a hallmark is not required in order for it to be sold in line with UK hallmarking legislation.

PACKAGING: Your ring will be shipped in a luxury velvet Lillicoco presentation box.


EXCELLENT. This Art Deco 18ct Gold French Cut Sapphire Diamond Ring is in excellent condition. This ring has secure gemstones in a square cluster, leading out into robust shoulders and a solid 18ct Gold band. The inside is clearly marked 18CT.


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!