11.35 Carat ---- Natural Blue Tanzanite --- Cushion Cut --- Certified
Updated August 6, 2026
| Lot number | 0139 |
| Estimate | $18,000 - $19,000 |
| Opening bid | $150 |
| Auction | August 8 Saturday 7pm |
| Date | August 8, 2026 at 10:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
A natural Brazilian tourmaline is an exceptional collector's piece. Brazilian tourmalines are renowned for their vivid color intensity, and this oval-cut size would be ideal for a high-end statement
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