5.90 Carat--- Natural Tanzanite --- Trillion Cut ---- AGL Certified
Updated August 6, 2026
| Lot number | 0834 |
| Estimate | $4,000 - $6,000 |
| Opening bid | $15 |
| Auction | August 16 7pm Sunday Best prices |
| Date | August 16, 2026 at 10:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
a rare, large, triangular gemstone displaying vibrant blue-violet colors. It features modern geometric brilliance, strong pleochroism, and high collector value.
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