Vintage GIA Certified 15.97ct Blue Star Sapphire Diamond Ring in Platinum
Updated August 13, 2026
| Lot number | 0457Y |
| Estimate | $29,030 - $37,739 |
| Opening bid | $13,750 |
| 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 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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