10 Carat --- Natural Blue Sapphire --- Asscher Cut
Updated August 27, 2026
| Lot number | 0644 |
| Estimate | $29,000 - $31,000 |
| Opening bid | $1,775 |
| Category | Jewelry & Watches |
| Auction | September 19 Saturday 4pm |
| Date | September 19, 2026 at 7:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
A striking gemstone featuring a square shape, cropped corners, and broad, step-cut facets that create a unique "hallway of mirrors" optical effect with deep royal or cornflower blue color
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