Rectangular Black Onyx and Diamond Cocktail Ring in Vintage Yellow Gold
Updated August 8, 2026
| Lot number | 0299C |
| Estimate | $1,248 - $1,622 |
| Opening bid | $100 |
| Category | Jewelry & Watches |
| Auction | Diamonds are Forever - Loose Stones & Jewelry |
| Date | August 17, 2026 at 12:00 PM EDT |
| Auction house | Bidhaus |
| Location | New York, New York |
Rectangular Black Onyx and Diamond Cocktail Ring in Vintage Yellow Gold This vintage dinner ring features a rectangular natural black onyx centerpiece accented by a single brilliant white diamond at
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