Antique Platinum 1.0ct Diamond Open Circle Brooch
Updated August 6, 2026
| Lot number | 0671 |
| Estimate | $1,700 - $1,900 |
| Opening bid | $1 |
| Category | Jewelry & Watches |
| Auction | $1 Start Estate Finds & Vintage Jewelry |
| Date | August 8, 2026 at 1:15 PM EDT |
| Auction house | Eastern European Art Gallery Inc |
| Location | Broomall, Pennsylvania |
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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