2.35Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 26, 2025
Natural Black Spinel 3.07 Ct. Oval Cabochon Shape 9.2 x 7.1 Mm Gemstone From ThailandTreasure of Gems & Jewelry4.4(215)$1Feb 15, 2026
Natural Black Star Sapphire 3.20 Ct. Oval Cabochon Shape 8.8 x 7 Mm Gemstone From ThailandTreasure of Gems & Jewelry4.4(215)$16 days Left
2.88Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
Natural Black Star Sapphire 6 Rays 2.63 Ct. Oval Cabochon Shape 8.7 x 6.2 Mm. Gemstone From ThailandTreasure of Gems & Jewelry4.4(215)$16 days Left
1.48Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 26, 2025
*1.93Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
*2.33Ct Welo Black Opal Polished - Ethiopian OpalKsmith Heritage Auctioneers4.3(45)See Sold PriceJul 27, 2025
SoldRed Flash Black Welo Opal -1.85 ct.Item is the exact item in the image - Bidder is responsible for all value and grade determination -See Sold Price
Sold2.7 ct. Natural Red Flash Black Welo Opal CabachonItem is the exact item in the image - Bidder is responsible for all value and grade determination -See Sold Price
Sold2.2 ct. Natural RED Flash Black Welo Opal GemItem is the exact item in the image - Bidder is responsible for all value and grade determinationSee Sold Price
SoldNatural Fire Red Black Opal 1.85 Ct. Oval Cabochon Shape 13.7 x 7.8 Mm. Gemstone UnheatedProduct ID: 818724557 Product Name: Natural Opal Weight: 1.85 CT. Size: 13.7 x 7.8 x 3.5 MM. Shape: Oval Cabochon Color: Rainbow Fire Red Black Clarity:Semi - Transparent Luster: Iridescent Gems OrigiSee Sold Price
SoldNatural Fire Red Black Opal 1.85 Ct. Oval Cabochon Shape 10 x 7.8 Mm. GemstoneProduct ID: 818724293 Product Name: Natural Opal Weight: 1.85 CT. Size: 10 x 7.8 x 4.8 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Iridescent Gems Origin: Ethiopia TSee Sold Price
SoldNatural Fire Red Black Opal 1.85 Ct. Play Of Color Rainbow Oval Cabochon 11 x 8.4 Mm. GemstoneProduct ID: 818724155 Product Name: Natural Opal Weight: 1.85 CT. Size: 11 x 8.4 x 5.4 MM. Shape: Oval Cabochon Color: Multi-Color Clarity:Semi - Transparent Luster: Iridescent Gems Origin: Ethiopia TSee Sold Price
Sold1.4 ct. Natural Blue Flash Black Welo Opal GemItem is the exact item in the image - Bidder is responsible for all value and grade determinationSee Sold Price
Sold1.85Ct Welo Black Opal Polished - Ethiopian Opal - Pear FacetedKsmith Jewels Global Welcome to our auction house, today auction brought to you by Ksmith Jewels Global based in Penang, Malaysia specialize in all kinds of opal and color gemstone both in manufacturiSee Sold Price
Sold1.20 Carats Fiery Red and Magenta Flash Oval Black Opal - Natural Welo Origin, 14MThis 10mm oval black opal is a vivid display of flame-red, magenta, and violet streaks suspended in a dark, translucent base. The fire is intense and centralized, with broad flashes and layered burstsSee Sold Price
Sold1.85 Ct Natural Black Flash Fire Opal Marquise CabWeight - 1.85 Ct / Dimensions - 13.90 x 6.70 x 4.30 mm / Shape - Marquise Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Comments - Color SmokedSee Sold Price
Sold1.85 Ct Natural Black Flash Fire Opal Oval CabWeight - 1.85 Ct / Size - 12.50 x 9.00 x 3.00 mm / Shape - Oval Cab / Color - Black / Clarity - Translucent / Origin - Ethiopia / Treatment - HeatedSee Sold Price
Sold12.37 Carats Smoked Black Welo Opal Cabochon Lot - Natural Ethiopian Stones - 10 to 13mm, 66XAThis alluring collection of Welo black opals features deep body tones enhanced by the traditional smoking process, with fiery flashes of red, green, and gold that ripple across the surface. The play-oSee Sold Price
Sold2.15 Carats Honeycomb Pattern Smoked Black Welo Opal - Natural Ethiopian Gemstone 12x8.5mm, 88AAn extraordinary display of natural artistry, this opal features the coveted honeycomb pattern-clusters of fiery cells glowing in vivid tones of cherry red, tangerine, lemon yellow, and flashes of vioSee Sold Price
Sold1.13 Carats Electric Green Welo Black Opal - Natural Ethiopian StoneThis striking black opal glows with a dominant electric green fire, interwoven with subtle flashes of red, orange, and indigo. Its teardrop shape and polished cabochon finish enhance the gem's dynamicSee Sold Price
Sold1.10 Carats Fiery Orange and Golden Green Black Opal - Natural Welo Origin, 9MThis bold 9mm oval black opal smolders with fiery orange, golden green, and deep ember-red flashes that flicker across its darkened body tone. Its flame-like patterning and densely layered color zonesSee Sold Price
Sold1.40 Carats Subtle Crimson and Violet Black Opal - Natural Welo Origin, 7MThis 9mm oval black opal features a deep, mysterious palette dominated by subdued crimson tones, velvety purples, and smokey grays. Soft flashes of red-orange emerge under bright lighting, while darkeSee Sold Price
SoldPlatinum, Black Opal and Diamond RingOne oval black opal ap. 7.00 cts., 10 round diamonds ap. .30 ct. Size 7 1/4. Black opal: overall medium deep slightly grayish violetish blue, green, yellow and red flashes, moderate crazing, good polSee Sold Price
Sold4.48 Carats Multicolor Welo Black Opal - Natural Ethiopian StoneThis mesmerizing black opal from Ethiopia dazzles with a kaleidoscope of color-fiery reds, electric greens, ocean blues, and flashes of gold ripple across its polished marquise surface. The play-of-coSee Sold Price
Sold4.23 Carats Black Smoked Opal Cabochon - Natural Ethiopian Welo StoneThis striking black smoked opal cabochon shimmers with a kaleidoscope of color, displaying vivid flashes of electric green, cobalt blue, and fiery red against a deep smoky base. The high-domed cut enhSee Sold Price
Sold4.13 Carats Black Smoked Opal Cabochon - Natural Ethiopian Welo StoneThis striking black smoked opal cabochon shimmers with a kaleidoscope of color, displaying vivid flashes of electric green, cobalt blue, and fiery red against a deep smoky base. The high-domed cut enhSee Sold Price
Sold4.70 Carats Black Smoked Opal Cabochon - Natural Ethiopian Welo StoneThis striking black smoked opal cabochon shimmers with a kaleidoscope of color, displaying vivid flashes of electric green, cobalt blue, and fiery red against a deep smoky base. The high-domed cut enhSee Sold Price
SoldPlay Of Color Rainbow Fire Red Black Opal 2.83 Ct. Pear Cabochon Shape 17.4 x 9.7 Mm. NaturalProduct ID: 818725692 Product Name: Natural Opal Weight: 2.83 CT. Size: 17.4 x 9.7 x 4.2 MM. Shape: Pear Cabochon Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Ethiopia Treatment:See Sold Price
SoldNatural Black Fire Opal - 1.85 CtNo Reserve! Title: Natural Black Fire Opal - 1.85 Ct Origin: Ethiopia Weight: 1.85 Size/Dimensions: 13.7 x 7.0 x 4.5 mm Additional Information: Pieces : 1 No's / Shape : Pear Cab / Clarity : TransluceSee Sold Price
SoldNatural Fire Red Black Opal 5.93 Ct. Pear Cabochon Shape 16 x 10 Mm. Unheated GemstoneProduct ID: 818724610 Product Name: Natural Opal Weight: 5.93 CT. Size: 16 x 10 x 8.2 MM. Shape: Pear Cabochon Color: Multi-Color Clarity:Opaque Luster: Iridescent Gems Origin: Ethiopia Treatment: EnhSee Sold Price
