AN ANTIQUE 18K YELLOW GOLD MICROMOSAIC BROOCH • One oval shaped onyx with a micromosaic measuring approximately 40.50mm x 33.00mm x 4.81mm • Measures 1 15/16 in. x 1 5/8 in. • Estimated gross weight: 20.0 grams Footnotes: OVERALL CONDITION: good Metal purity unstamped and tested with XRF (x-ray fluorescence) for 18K gold Superficial wear in form of minor to moderate scratches and chips, specifically the back of the brooch Clasp secure Pin is not gold Oxidation present MAJOR COLORED GEMSTONE: Onyx Hue: black This condition report is provided for your convenience based on the opinion of our gemologists. Bonhams is not responsible for any discrepancies between this information and other opinions. The condition of lots can vary widely and the nature of the lots sold means that they are unlikely to be in perfect condition. The dimensions and weights of diamonds and gemstones are approximated using measurements and given as a courtesy, please consider them as an estimation only. 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 $400-$600
Current Price (1 bid)
$320
3 bidders are watching this item
Jul 07, 2026 8:00 PM EDTLos Angeles, CA, United States

































