5.30 Carat ---- Natural Royal Blue Tanzanite ---- Asscher Cut ----AGL Certified
Updated August 6, 2026
| Lot number | 0802 |
| Estimate | $4,000 - $8,500 |
| 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 |
Showcases an intense royal-blue and violet hue, often referred to as D-Block quality. Cut in a striking, vintage-style geometric step-cut, it is perfect for high-end luxury settings but requires a
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