AN ANTIQUE PLATINUM, DIAMOND AND SYNTHETIC SAPPHIRE BROOCH • One round brilliant-cut, numerous old mine-cut and old European-cut diamonds weighing approximately 0.92 carat total • Twelve baguette-shaped synthetic sapphires measuring approximately 2.50mm x 1.02mm • Measures 1 1/2 in. x 1/2 in. • Estimated gross weight: 5.80 grams Footnotes: OVERALL CONDITION: good Metal purity unstamped and tested with XRF (x-ray fluorescence) for platinum Superficial wear in form of minor scratches Clasp secure DIAMONDS: G - I color, SI - I clarity ACCENT COLORED GEMSTONE: Synthetic sapphire Clarity: eye-clean Hue: Blue 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 $600-$800
Starting Price
$300
Sep 1, 2026, 8:00 PM EDTLos Angeles, CA, United States

































