23.7ct Oval Cabochon Black with Blue Sparkle Nuummite GemstoneWeatherham Estate Treasures4(220)$1651 day Left
Black Nuummite Oval Cabochon Gemstone with Blue SparkleWeatherham Estate Treasures4(220)$1606 days Left
5.49 ct Natural Black Star Diopside, Oval Cabochon, Opaque, IndiaWeatherham Estate Treasures4(220)$74Mar 06, 2026
15.01ct Natural Black with Blue Sparkle Nuummite, Oval, OpaqueWeatherham Estate Treasures4(220)$1503 days Left
4.71ct AFRICAN BLACK OPAL OVAL CABOCHON CUT NATURAL UNTREATED RARE 13x10mmModern Jewelry4.4(205)$3,300Mar 19, 2026
SNOWFLAKE OBSIDIAN CABOCHON ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.3(489)$31 day Left
SNOWFLAKE OBSIDIAN CABOCHON ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.3(489)$31 day Left
SNOWFLAKE OBSIDIAN CABOCHON ROCK STONE LAPIDARY SPECIMENCol. Christie Hatman Auctioneers4.3(489)$31 day Left
