Natural Bi Color Tourmaline Gemstones 0.91 Ct. Octagon Shape 6.8 x 4.2 Mm.
Updated August 30, 2026
This auction ended on September 12, 2026.
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| Lot number | 1370020 |
| Estimate | $45 - $71 |
| Opening bid | $8 |
| Category | Jewelry & Watches |
| Auction | Natural Loose Gemstones Diamond and Jewelry |
| Date | September 12, 2026 at 11:00 AM EDT |
| Auction house | Treasure of Gems & Jewelry |
| Location | Lake Charles, Louisiana |
Product ID: 807234136 Product Name: Natural Tourmaline Weight: 0.91 CT. Size: 6.8 x 4.2 x 3.1 MM. Shape: Octagon Color: Bi Color Clarity:VSI Luster: Good Gems Origin: Nigeria Treatment: Unheated
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