Antique, Art Nouveau diamond three-stone engagement ring
Current band size: UK: M / US: 6.5 /
Single complimentary re-size available. This ring can easily be re-sized up or down to any size.
To find out more about the gemstones in this ring:
Provenance
Original to c.1905, this Art Nouveau diamond three-stone features the most characterful trio of diamonds you'll ever see. Perfectly mis-matched, each diamond has a different shape, cut and colour. The central diamond has a cool and airy oyster-pink hue to it, cushion old-mine cut with chunky facets and a distinctive softly rounded outline. Flanked by two similarly sized antique diamonds, one of which is a striking shade of yellow that verges on lime-green - elongated cushion-cut, this is a truly unique stone.
The third diamond may be the most charming of them all. We're not entirely sure what to call this shape; somewhere between an oval, a cushion and something completely of its own making. Cut by hand over a century ago, long before calibrated proportions and laser precision, it's delightfully wonky in all the right ways. We adore old mine-cut diamonds for exactly this reason – each one is wonderfully individual, a tiny reminder that they were fashioned by human hands rather than machines, and no two are ever quite the same.
From the three diamonds, sinuous open-work flows with a natural sense of movement, recalling the fluid, organic whiplash lines so celebrated by Art Nouveau designers. Each diamond is claw-set in an open-back setting above an intricately pierced gallery with delicate linear detail, leading to a solid 18ct yellow gold band.
The Natural Stones
- Central Diamond Weight: 0.36ct
- Central Diamond Size: Length 4.3mm; Width 4mm; Depth 3mm
- Total diamond weight: 1ct; Yellow diamond weight: 0.33ct; Higgledy-Piggledy diamond weight: 0.32ct.
The Band
- Metal Composition: 18ct yellow gold, platinum
- Hallmarks: Marked with '18CT' to indicate 18ct yellow gold and 'PLAT' to indicate platinum.
The Ring Overall
- Front Head Dimensions: Length 4.5mm; Width 11mm
- Height of Setting: 5.5mm
General Wear & Condition
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Excellent: all stones are secure and well set, with no damage to the mount. Professionally polished and carefully inspected by our workshop, ready to wear and enjoy.
Unless stated otherwise, gem weights and specifications are estimated (assessed in mount).
We will only carry out adjustments we are fully confident in and that preserve the structural integrity of the piece.
Simply select your desired size at checkout and include any special requests - we will always do our utmost to accommodate.
You will receive a confirmation email with a link to our re-sizing timeframe guide, so you know when to expect delivery. Once your ring has been dispatched, we will send a separate email with full tracking details.
A small number of rings cannot be resized due to their material or design; this will always be clearly noted in the product description.
We provide free, fully insured express shipping on all orders.
- UK Orders: Shipped via DHL or Royal Mail Special Delivery the working day after payment clears. Please allow 1–2 business days for delivery.
- International Orders: Shipped via DHL the working day after payment clears. Please allow 4–5 business days for delivery.
All shipments are fully tracked and require a signature upon receipt, ensuring your order arrives safely and securely.
For all orders shipped to the U.S., we cover international tariffs and duties, so you won’t need to worry about them - they are included in the price on the website.
If you wish to return a ring, we offer a full refund minus the cost of these tariffs: 10% for antique rings (over 100 years old) and 15.5% for other pieces.
Please note that some U.S. states may charge a small additional tax on delivery, typically between $40–$80.
