Vintage Platinum 17.45ct GIA Certified Blue Star Sapphire Diamond Ring
Updated August 13, 2026
| Lot number | 0538Y |
| Estimate | $5,760 - $7,488 |
| Opening bid | $2,750 |
| Category | Jewelry & Watches |
| Auction | No Reserve Lab Grown Loose Diamonds & Jewelry |
| Date | August 19, 2026 at 8:00 AM EDT |
| Auction house | Diamond Depot |
| Location | New York, New York |
Vintage Platinum 17.45ct GIA Certified Blue Star Sapphire Diamond Ring This exquisite vintage cocktail ring showcases a stunning natural cabochon blue star sapphire, weighing an impressive 16.80ct.
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