13.71 Ct Natural Black Onyx Round Cut
Updated August 7, 2026
| Lot number | 12 |
| Estimate | 75.00 - 150.00 USD |
| Auction | CLASSIC GEMSTONES AUCTION |
| Date | August 10, 2026 at 10:00 PM EDT |
| Auction house | Haniyahana Gems Co., Ltd |
| Location | Bangrak, Bangkok |
Weight - 13.71 Ct / Dimensions - 17.20 x 17.20 x 8.10 mm / Shape - Round Cut / Color - Black / Clarity - OPaque / Origin - Brazil / Treatment - None
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