PLATINUM 0.54CT DIAMOND AND BLACK OPAL RING
Updated August 6, 2026
| Lot number | 0283 |
| Estimate | $3,300 - $13,200 |
| Opening bid | $3,200 |
| Category | Jewelry & Watches |
| Auction | Fine Jewelry & Luxury Watches Auction |
| Date | August 7, 2026 at 1:00 PM EDT |
| Auction house | Robinhood Auctions |
| Location | Las Vegas, Nevada |
Rare and distinct, this piece features a 4.65-carat black opal carrying blue and green flashes across a dark base. It is set high on a 2mm platinum band and held by four slim claw prongs that leave
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