Vintage GIA Certified 13.89ct Blue Star Sapphire Diamond Ring in Platinum
Updated August 13, 2026
| Lot number | 0948Y |
| Estimate | $7,805 - $10,146 |
| Opening bid | $3,700 |
| Category | Jewelry & Watches |
| Auction | No Reserve Lab Grown Loose Diamonds & Jewelry |
| Date | August 18, 2026 at 8:00 AM EDT |
| Auction house | Diamond Depot |
| Location | New York, New York |
Vintage GIA Certified 13.89ct Blue Star Sapphire Diamond Ring in Platinum This vintage cocktail ring showcases a stunning 13.29ct natural blue star sapphire, featuring an oval double cabochon cut
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