12 Carat --Natural Blue Sapphire---Trillion Cut --- GGI Certified
Updated August 19, 2026
This auction ended on August 28, 2026.
See upcoming auctions from California Gemstones or current jewelry & watches auctions.
| Lot number | 8233 |
| Estimate | $15,000 - $16,000 |
| Opening bid | $50 |
| Category | Jewelry & Watches |
| Auction | Friday Aug 28 4pm |
| Date | August 28, 2026 at 7:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
A triangular gemstone featuring intense royal or deep blue color, exceptional brilliance from its faceted sides.
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