A Black Onyx, Diamond & Yellow Sapphire Dome Ring in 18K
Updated August 18, 2026
This auction ended on August 27, 2026.
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| Lot number | 0139 |
| Estimate | $2,000 - $4,000 |
| Opening bid | $1,000 |
| Category | Jewelry & Watches |
| Auction | Fine Jewelry, Accessories, Silver, & Coins |
| Date | August 27, 2026 at 12:00 PM EDT |
| Auction house | Alex Cooper |
| Location | Towson, Maryland |
18K white gold ring featuring a black onyx dome with an organic looping design of round diamonds weighing 0.55 ctw bead set and round yellow sapphires weighing 1.05 ctw bead set in yellow gold, sz
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