PLATINUM 0.48CT DIAMOND AND TOURMALINE COCKTAIL RING
Updated August 27, 2026
This auction ended on September 4, 2026.
See upcoming auctions from Robinhood Auctions or current jewelry & watches auctions.
| Lot number | 0285 |
| Estimate | $1,800 - $7,200 |
| Opening bid | $1,800 |
| Category | Jewelry & Watches |
| Auction | The Jewelry & Watch Collection |
| Date | September 4, 2026 at 1:00 PM EDT |
| Auction house | Robinhood Auctions |
| Location | Las Vegas, Nevada |
Set with pink tourmalines, this showstopping cocktail ring makes a strong impression the moment it's worn. It showcases a broad, sculpted form, with a 35-by-20-millimeter top that curves gently, like

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