Vintage GIA Certified 15.97ct Blue Star Sapphire Diamond Ring in Platinum
Updated August 24, 2026
This auction ended on September 4, 2026.
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| Lot number | 0033Y |
| Estimate | $30,462 - $36,555 |
| Opening bid | $13,750 |
| Category | Jewelry & Watches |
| Auction | No Reserve Lab Grown Loose Diamonds & Jewelry |
| Date | September 4, 2026 at 8:00 AM EDT |
| Auction house | Diamond Depot |
| Location | New York, New York |
Vintage GIA Certified 15.97ct Blue Star Sapphire Diamond Ring in Platinum Discover a stunning vintage ring featuring a natural genuine star sapphire, showcasing an oval cabochon cut with a striking

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