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1.00ct Diamond Edwardian Platinum Old Mine Cut Diamond Engagement Ring - 1.00ct H/I-VS

£3,750.00 £3,375.00
SKU: 9530
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This superb 1.00ct Diamond Edwardian Platinum Old Mine Cut Diamond engagement ring is one of the finest early 20th century rings we have had the pleasure of seeing! This antique ring features a fabulous 1.00ct H/I colour VS clarity Diamond at the centre, crowned by a domed profile and a sprinkling of antique Diamonds.

This ring was likely crafted in the midst of the Edwardian and Art Deco eras, presenting beautiful distinctive traits from both periods. The Diamond in the centre is absolutely fierce, making you instantly fall in love with this incredible ring straight away.

Item Details:

ERA: Early 20th Century, c.1900-1930.

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

MEASUREMENTS: Principle Old Mine Cut Diamond 5.7mm x 5.3mm- approx 1.00ct, H/I- vs quality.
The ring also features additional 24 rose cut Diamonds that range from 0.05mm -2mm. (The unusual size and dimensions of antique rose-sut Diamonds prohibit accurate carat weight estimates.)
The ring is at its widest point at the very front of the ring, and tapers elegantly to 1.2mm at the back.
The ring has a high profile, standing 8.5mm off the top of the finger.
Weight: 4.8g. 

MATERIALS:  Platinum, Old Mine Cut Diamond- 1.00ct, H-I colour, VS clarity. (Rose Cut & Old European-cut Diamond accents.)

HALLMARKS: Test as Platinum throughout.


EXCELLENT: This 1.00ct Diamond Edwardian Platinum Old Mine Cut Diamond engagement ring is just as amazing as she was over 100 years ago! This ring is so fabulous, oozing with sophistication. The gallery is completely intact, and is crafted in solid Platinum giving you peace of mind and strength in wear. The Diamond colour and clarity far exceeds other antique Diamonds of its size, making this a fantastic investment piece for the next 100 years and beyond! There are no signs of fleabites, scratches or nicks to any of the Diamonds and all are original to the piece. This ring can be confidently enjoyed and worn as an outstanding engagement ring or Diamond dress ring. 


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!