A GIA 3.66 ct Sapphire Ring in Platinum
Updated August 18, 2026
This auction ended on August 27, 2026.
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| Lot number | 0257 |
| Estimate | $3,000 - $5,000 |
| Opening bid | $1,500 |
| 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 |
Platinum ring by Otto Gofflieb featuring a cushion cut sapphire weighing 3.66 carats, accompanied by GIA Gemological Report #1232596972, prong set in the center of a round diamond prong set frame
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