Rare Rough Watermelon Tourmaline Specimen
Updated August 27, 2026
| Lot number | 0052 |
| Estimate | $3,840 - $4,800 |
| Opening bid | $320 |
| Auction | Precious Gemstones & Luxury Fine Jewelry |
| Date | September 12, 2026 at 1:00 PM EDT |
| Auction house | Ryan & Co Jewelers |
| Location | Rockville, Maryland |
A highly collectible 2.36ct raw bi-color tourmaline crystal clearly exhibiting the iconic "watermelon" pink and green zoning. Raw bi-color crystals clearly exhibiting the iconic watermelon zoning are
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