5.85 Carat ----Natural Tanzanite ---- Trillion Cut ----EGL Certified
Updated August 6, 2026
| Lot number | 15009 |
| Estimate | $6,000 - $8,000 |
| Opening bid | $50 |
| Auction | August 16 7pm Sunday Best prices |
| Date | August 16, 2026 at 10:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
An exceptionally rare, premium-grade collector's gemstone. Trillion cuts are a modern, dynamic choice for tanzanite, maximizing its unique pleochroism—the optical ability to flash vivid blues, rich
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