Natural Blue Tanzanite Gemstones1.50 Ct. Cushion Shape 7.8 x 5.5 Mm.
Updated August 6, 2026
| Lot number | 1340274 |
| Estimate | $619 - $973 |
| Opening bid | $1 |
| Auction | Natural Loose Gemstones Diamond and Jewelry |
| Date | August 23, 2026 at 11:00 AM EDT |
| Auction house | Treasure of Gems & Jewelry |
| Location | Lake Charles, Louisiana |
Product ID: 807006112 Product Name: Natural Tanzanite Weight: 1.50 CT. Size: 7.8 x 5.5 x 4.2 MM. Shape: Cushion Color: Blue Clarity:SI Luster: Good Gems Origin: Tanzania Treatment: Heated Crystal
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