Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring
Updated August 8, 2026
| Lot number | 1152C |
| Estimate | $2,249 - $2,923 |
| Opening bid | $100 |
| Category | Jewelry & Watches |
| Auction | Diamonds are Forever - Loose Stones & Jewelry |
| Date | August 14, 2026 at 12:00 PM EDT |
| Auction house | Bidhaus |
| Location | New York, New York |
Platinum GIA Certified 1.30ctw Black Opal Diamond Cocktail Ring This exquisite vintage cocktail ring features a stunning natural black opal set in solid platinum. The centerpiece is a prong-set
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