5.15 Carat Natural Ceylon Blue Sapphire Brilliant Cushion Cut European Gem Lab Certified
Updated August 6, 2026
| Lot number | 7018 |
| Estimate | $18,000 - $21,000 |
| Opening bid | $100 |
| Category | Jewelry & Watches |
| Auction | August 14 Friday 7pm Natural Sparkly Gems |
| Date | August 14, 2026 at 10:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
A premium, collector-quality gemstone known for its exceptional size, prestigious origin, and optical brilliance. A royal blue cornflower blue shade achieves the highest market value.
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