11.95 Carat --- Natural Brazilian Blue-Green Tourmaline --- Round Cut
Updated August 27, 2026
This auction ended on September 19, 2026.
See upcoming auctions from California Gemstones.
| Lot number | 90650 |
| Estimate | $29,000 - $30,000 |
| Opening bid | $875 |
| Auction | September 19 Saturday 4pm |
| Date | September 19, 2026 at 7:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
Copper-Bearing Brazilian Paraíba Tourmaline. An exceptional and highly valuable gemstone. Stones of this size and color belong to the prestigious Paraíba variety, celebrated worldwide for its
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