11.75 Carat Natural Montana Purple Blue Sapphire Brilliant Oval Cut AGL Certified
Updated August 6, 2026
| Lot number | 0344 |
| Estimate | $22,000 - $25,000 |
| Opening bid | $300 |
| Category | Jewelry & Watches |
| Auction | August 9 7pm Sunday Certified Tourmalines |
| Date | August 9, 2026 at 10:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
Yogo Gulch deposits. Maximizes weight retention while enhancing sparkle and light return.
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