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Art Deco 18ct Gold Sapphire Cabochon Diamond Trilogy Ring, 1.15ct Sapphire

$522.00 $418.00
SKU: x6741
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We are head over heels for this Art Deco 18ct Gold Sapphire cabochon Diamond trilogy ring! This exquisite ring boasts a Sapphire cabochon, flaunting deep midnight hues, nestled between two dazzling Diamonds sitting atop a luxurious 18ct Gold band.

This antique trilogy ring has two illusion settings for the Diamonds, a technique used to mimic the facets of a Diamond within the Gold for them to appear bigger. This allows you to opt for a smaller Diamond without losing the large size by eye, for a fraction of the cost! A timeless design that'll always be in favour, this is a Sapphire Diamond ring to cherish for a lifetime and no doubt the perfect choice for an engagement ring. 

Item Details:

ERA: Art Deco (1920-1939)

RING SIZE: UK Size M.5 / US Size 6 & 1/4
Contact us for a resizing estimate at

MEASUREMENTS: Ring profile sits 6.5mm from the finger when worn.
Ring band is 2mm wide.
Sapphire is 7mm long x 5mm wide, weighing approx 1.15ct.
2 Diamonds are 1mm in diameter.
Weight: 3g

MATERIALS: Tests as 18ct Yellow Gold shank, 18ct White Gold Diamond setting, Sapphire (1.15ct), Diamonds. 

STAMPS: '18CT' inside ring 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 order will be gift-wrapped free of charge in a Lillicoco cardboard box made from recycled materials, tied with a ribbon.


EXCELLENT. This Art Deco 18ct Gold Sapphire cabochon Diamond trilogy ring is in excellent condition. All the gemstones are secure, complementing one another perfectly. The Gold band is comfortable to wear, with a glossy shine throughout. This Art Deco ring is perfect for popping the all-important question with!


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!