7 Carat --- Natural Blue Tourmaline --- Brilliant Oval Cut
Updated August 20, 2026
This auction ended on August 29, 2026.
See upcoming auctions from California Gemstones.
| Lot number | 9013 |
| Estimate | $6,000 - $7,000 |
| Opening bid | $500 |
| Auction | Aug 29 Saturday 4pm Don't Miss It! |
| Date | August 29, 2026 at 7:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
a premium-grade loose gemstone highly coveted by collectors and luxury jewelry designers alike. Blue tourmalines are exceptionally unique because blue is one of the rarest colors found in the
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