4 Carat --- Natural Ceylon Blue Sapphire ---- Trillion Cut
Updated August 15, 2026
This auction ended on August 23, 2026.
See upcoming auctions from California Gemstones or current jewelry & watches auctions.
| Lot number | 0111 |
| Estimate | $9,200 - $11,500 |
| Opening bid | $30 |
| Category | Jewelry & Watches |
| Auction | Sunday Aug 23 4pm |
| Date | August 23, 2026 at 7:00 PM EDT |
| Auction house | California Gemstones |
| Location | Oceanside, California |
Combining the prestigious, bright "royal" blue hues typical of Sri Lankan mines with a modern, brilliant, triangular facet pattern.
More lots in this auction
- 8.46 Carat --- Natural Brazilian Neon Blue Tourmaline ---- Round Cut
- 25.0 Carat --- Natural Padparadscha Sapphire ---- Modified Cushion Cut
- 8.9 Carat --- Natural Brazilian Green Tourmaline---- Trillion Cut
- 4.00 Carat --- Merelina Plum Tanzanite --- Oval Cut---AGSL Certified
- 5.80 Carat --- Natural Mozambique Green Tourmaline--- Emerald Cut
- 18.00 Carat --- Natural Padparadscha Sapphire PAIR--- Cushion Cut
- 12.9 Carat --- Natural Ceylon Padparadscha Sapphire--- Round Cut
- 18.00 Carat --- Natural Padparadscha Sapphire PAIR--- Cushion Cut