ANTIQUE PLATINUM 1.0CT DIAMOND OPEN CIRCLE BROOCH
Updated August 6, 2026
| Lot number | 0448 |
| Estimate | $1,100 - $4,400 |
| Opening bid | $1,100 |
| Category | Jewelry & Watches |
| Auction | Fine Jewelry & Luxury Watches Auction |
| Date | August 7, 2026 at 1:00 PM EDT |
| Auction house | Robinhood Auctions |
| Location | Las Vegas, Nevada |
An antique open-circle brooch in platinum, set with diamonds totaling 1.0 ct in an intricately engraved milgrain setting, with each stone compartment separated by detailed geometric engraving
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