An exceptionally rare and evocative survivor of the Georgian era, this magnificent 18ct gold rose cut diamond cluster brooch dates to circa 1780 and almost certainly began life as an 18th-century diamond button — a remarkable object of aristocratic luxury at a time when diamonds were still illuminated primarily by candlelight.
The scale and quality of the cluster speak to its original status. Buttons of this calibre were not ordinary accessories, but declarations of wealth and refinement commissioned for the elite during the late Georgian period. Hand-crafted and entirely individual, pieces such as this were designed to shimmer softly in intimate evening light, their beauty revealed through movement rather than brilliance alone.
At the centre sits a substantial oval Brabant (Antwerp) rose cut diamond, framed by eight early Dutch rose cuts in a beautifully organic floral arrangement. The stones are intentionally irregular in form, reflecting the hand-cut nature of 18th-century diamond cutting long before modern standardisation.
The rose-cut diamonds are characterised by broad tables and shallow profiles, allowing them to face up impressively for their weight. Each stone is closed-back and foiled, set in solid silver with 18ct yellow gold fittings—an intentional Georgian construction designed to maximise luminosity while ensuring strength. Under soft light, they come alive with a gentle, candlelit shimmer that modern open-back stones simply cannot replicate.
What makes this jewel particularly compelling is its remarkable survival. The original foiled closed-back construction remains intact, preserving the soft glow so prized in Georgian jewellery. Later adapted into a brooch, the piece remains wonderfully true to its original character while gaining a versatility suited to modern wear. It may be worn beautifully as a brooch, styled as a pendant suspended from a fine chain or suitable for a sensitive ring conversion if desired—though many collectors will rightly choose preservation.
There is an unmistakable soul to authentic Georgian jewellery—something impossible to reproduce. Slightly irregular, entirely hand-made, and shaped by over two centuries of history, this is not merely a diamond jewel but a tangible fragment of late 18th-century taste and craftsmanship.
A rare opportunity to acquire a genuine Georgian diamond jewel of exceptional presence, romance, and historical importance. Accompanied by an independent gemmological assessment confirming materials and period consistency.
THE DETAILS:
METAL: Solid silver with 18ct yellow gold fittings
GEMSTONES: Nine natural rose cut diamonds
~ Central Brabant rose cut diamond: 9.15 x 8.12mm
~ Eight surrounding Dutch rose cut diamonds: 4.35 x 3.58mm to 5.50 x 3.75mm
~ Total estimated diamond weight: approximately 2.00 carats
~ Colour: predominantly I–J
~ Clarity: predominantly SI
SIZE: 2.5cm diameter (1 inch)
WEIGHT: 4.17 grams
HALLMARKS: None, as expected for the period; independently tested as silver and 18ct gold
DATE: Georgian, circa 1780, later brooch conversion
CONDITION: Very good antique condition with excellent survival of original materials. All stones are secure and the foiling remains intact and beautifully reflective. Light age-related wear commensurate with over 240 years of history. Closed-back and foiled Georgian diamonds should not be immersed in water or cleaned ultrasonically, but with sensible care this remarkable jewel will continue to endure for generations to come.
________________________________________________________
ADDITIONAL INFORMATION
* Free worldwide tracked & insured shipping for all purchases.
* Returns - you can return your item for a refund for any reason. Just get in touch within 3 days of receiving your order and return it within 7 days.
* Our photographs have been taken in extreme close up to show you every tiny detail. This often means that any flaws or damage which you can see on the photos will be invisible when viewed normally with the eye. This can also mean that the item can appear larger on the screen than it is in person, so please be sure to read our written description to double check all sizes and dimensions.
* Buying a gift? – your item will arrive gift wrapped in a custom Mercy Madge jewellery box. Please note, unless otherwise stated antique boxes in our photos are for display only and are not included in the purchase.
Check out our Etsy reviews at https://mercymadge.etsy.com