Natural Green Tourmaline Gemstones 4.47 Ct. Octagon Shape 9.5 x 8.1 Mm.Treasure of Gems & Jewelry4.4(225)$1May 10, 2026
THAILAND NATURAL SPINEL FACETED GEMSTONE 13.98 CTGreat Estates Auctioneers & Appraisers4.3(166)$300May 17, 2026
1.57ct Cushion Cut Natural Dark Silver Spinel GemstoneWeatherham Estate Treasures4(236)$225May 20, 2026
26.5ct Octagon Step Cut Schorl Black Loose Tourmaline GemstoneWeatherham Estate Treasures4(236)$215May 20, 2026