GIA Platinum Black Opal Diamond Cocktail Ring Size 6.5
Updated August 8, 2026
| Lot number | 0364L |
| Estimate | $4,862 - $6,320 |
| Opening bid | $3,700 |
| Category | Jewelry & Watches |
| Auction | Late Night Luxury - NO RESERVE Bags & Jewelry |
| Date | August 15, 2026 at 6:00 PM EDT |
| Auction house | Bidhaus |
| Location | New York, New York |
GIA Platinum Black Opal Diamond Cocktail Ring Size 6.5 This platinum cocktail ring features a striking natural black opal, certified by GIA, weighing 2.34 carats in an oval double cabochon cut. The
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