290-NATURAL CHALCEDONY 5.90CT & AMETHYST5.88CT
Updated August 9, 2026
| Lot number | 3519 |
| Auction | KASTNER AUCTIONS EDMONTON (SATURDAY TIMED INTERNET AUGUST 15TH) |
| Date | August 15, 2026 at 4:00 PM EDT |
| Auction house | Kastner Auctions |
| Location | Edmonton |
UNHEATED STONES /CHAL 12.3MM/GREEN AMT 7.9X 9.9 MM
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