Natural London Blue Topaz Gemstones 4.22 Ct. Round Concave Cut 10.2 Mm.
Updated August 30, 2026
This auction ended on September 12, 2026.
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| Lot number | 1370138 |
| Estimate | $91 - $144 |
| Opening bid | $1 |
| 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: 807136651 Product Name: Natural Blue Topaz Weight: 4.22 CT. Size: 10.2 x 10.2 x 6.4 MM. Shape: Round Concave Cut Color: Blue Clarity:IF Luster: Very Good Gems Origin: Brazil Treatment:
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