20 Carat Synthetic Color-Change Sapphire Unmounted Gem
Updated August 29, 2026
| Lot number | 4031 |
| Estimate | $100 - $200 |
| Opening bid | $50 |
| Category | Jewelry & Watches |
| Auction | September 2026: Online Only |
| Date | September 19, 2026 at 11:00 AM EDT |
| Auction house | DuMouchelles |
| Location | Detroit, Michigan |
20 Carat Synthetic Color-Change Sapphire Unmounted Gem A 20 carat unmounted, round brilliant, synthetic color-change sapphire (17.5 x 17.5 x 8.56mm). Appears a blueish-lavender in
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