GIA Platinum Black Opal Diamond Cocktail Ring Size 7.5
Updated August 6, 2026
| Lot number | 0835C |
| Estimate | $4,862 - $6,320 |
| Opening bid | $100 |
| Category | Jewelry & Watches |
| Auction | Diamonds are Forever - Loose Stones & Jewelry |
| Date | August 10, 2026 at 12:00 PM EDT |
| Auction house | Bidhaus |
| Location | New York, New York |
GIA Platinum Black Opal Diamond Cocktail Ring Size 7.5 This platinum cocktail ring features a large natural black opal as its centerpiece, expertly cut in an oval cabochon shape and weighing 5.22
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