DIAMOND AND ENAMEL-SET KEY BROOCH, CIRCA 1830 Guilloche enamel-set heart and shank reading 'J'OUVRE' Old single-cut diamonds approx. 0.60ct total Mounted in silver and gold Length 4.6cm Weight approx. 3.5g Footnotes: OVERALL CONDITION Some surface wear commensurate with age to unhallmarked metal, reverse testing as 10kt gold, settings as silver. Some discolouration to reverse, enamelling in good condition. DIAMONDS Bright and lively. This condition report is provided for your convenience, based on the opinion of our gemmologists. Bonhams is not responsible for any discrepancies between this information and other opinions. All lots in this sale are sold as viewed online and additional images/videos are not available. For further information on this lot please visit Bonhams.com For further information about this lot please visit the lot listing
Description
Buyer's Premium
32%
Estimate £800-£1,200
Current Price (2 bids)
£650
2 bidders are watching this item
Jun 08, 2026 7:00 AM EDTLondon, UNITED KINGDOM, United Kingdom

































