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8.33Ct Welo Opal Polished - Ethiopian Opal - Oval Cabochon , 197E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 8.33Ct Dimension: 23 x 18.2 x 5.1 mm Treatment: Natural Untreated Shape: Ov

5 days Left

8.33Ct Welo Opal Polished - Ethiopian Opal - Oval Cabochon , 197E

Ksmith Heritage Auctioneers

Est. $130-$260

2.37Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 1120E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.37Ct Dimension: 10x9.9x5.9 mm Treatment: Smoked Type: Faceted, Poli

5 days Left

2.37Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 1120E

Ksmith Heritage Auctioneers

Est. $50-$100

1.92Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 1105E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 1.92Ct Dimension: 11.2x8.7x4.9 mm Treatment: Smoked Type: Faceted, Po

5 days Left

1.92Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 1105E

Ksmith Heritage Auctioneers

Est. $50-$100

1.11Ct Welo Black Opal Faceted Polished - Ethiopian Opal, 69B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 1.11Ct Dimension: 10.6x7.5x3.4 mm Treatment: Smoked Type: Faceted, Polishe

5 days Left

1.11Ct Welo Black Opal Faceted Polished - Ethiopian Opal, 69B

Ksmith Heritage Auctioneers

Est. $130-$260

*8.75Ct Welo Opal Polished - Ethiopian Opal - Round Cabochon, 481B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 8.75Ct Dimension: 14.6 x 14.4 x 7.8 mm Treatment: Natural Untreated Shape: Round

5 days Left

*8.75Ct Welo Opal Polished - Ethiopian Opal - Round Cabochon, 481B

Ksmith Heritage Auctioneers

Est. $170-$340

1.42Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 228E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 1.42Ct Dimension: 10.4x7.9x4.2 mm Treatment: Smoked Type: Faceted, Po

5 days Left

1.42Ct Welo Black Faceted Opal Polished - Ethiopian Opal , 228E

Ksmith Heritage Auctioneers

Est. $30-$60

24.41Ct Welo Opal Polished - Ethiopian Opal - Pear Cabochon , 200E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 15.44Ct Dimension: 26.3 x 13.3 x 7 mm Treatment: Natural Untreated Shape: O

5 days Left

24.41Ct Welo Opal Polished - Ethiopian Opal - Pear Cabochon , 200E

Ksmith Heritage Auctioneers

Est. $190-$380

*4.39Ct Welo Opal Polished - Ethiopian Opal - Oval Cabochon, 432B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 4.39Ct Dimension: 12.6 x 10.3 x 6.8 mm Treatment: Natural Untreated Shape: Oval

5 days Left

*4.39Ct Welo Opal Polished - Ethiopian Opal - Oval Cabochon, 432B

Ksmith Heritage Auctioneers

Est. $90-$180

3.89Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 998E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 3.89Ct Dimension: 15.4x10.1x6.6 mm Treatment: Smoked Type: Faceted, P

5 days Left

3.89Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 998E

Ksmith Heritage Auctioneers

Est. $90-$180

4.35 Carats Iridescent Welo Opal Oval Cabochon - Natural Ethiopian Stone, 29XP: This luminous oval cabochon Welo opal dances with a kaleidoscopic play of color, shifting between soft mint green, sky blue, lavender, and warm peach hues as light moves across its smooth, domed surfa

18 hrs Left

4.35 Carats Iridescent Welo Opal Oval Cabochon - Natural Ethiopian Stone, 29XP

Est. $60-$120

2.19 Ct Natural Multicolor Welo Opal Top Fire Oval Cab Set: Weight - 2.19 Ct / Dimensions - 6.00 x 4.00 - 6.20 x 4.20 mm / 5 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

1 day Left

2.19 Ct Natural Multicolor Welo Opal Top Fire Oval Cab Set

Est. $75-$150

1.24 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Pair: Weight - 1.24 Ct / Dimensions - 7.20 x 5.10 x 3.30 mm / 2 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

1 day Left

1.24 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Pair

Est. $75-$150

3.94 Carats Pear-Shaped Welo Opal - Natural Ethiopian Stone 14.9x10.1x6.1mm, 42XH: This glowing Welo opal radiates with pastel iridescence, displaying a mesmerizing wash of lime green, soft cyan, lemon yellow, and touches of violet and coral. The cabochon is smoothly polished into a

18 hrs Left

3.94 Carats Pear-Shaped Welo Opal - Natural Ethiopian Stone 14.9x10.1x6.1mm, 42XH

Est. $20-$40

10K Ring Heart Opal And Diamond Ring: Medium: Heart Opal And Diamond Size: US6, 1.68gram Age/Detail: 10K Ring Condition: great overall, check photo for condition reference. Provenance: Collection from Estate in Williamsburg LiveShipping i

2026

10K Ring Heart Opal And Diamond Ring

Treasured Auctions

2.04Ct Welo Black Opal Polished - Ethiopian Opal - Oval Faceted , 119E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.04Ct Dimension: 10.9 x 8.7 x 4.7 mm Treatment: Smoked Shape: Oval

5 days Left

2.04Ct Welo Black Opal Polished - Ethiopian Opal - Oval Faceted , 119E

Ksmith Heritage Auctioneers

Est. $50-$100

*19.50Ct Calibrated 7x5mm Faceted Welo Opal Set - Ethiopian Opal , 135E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 19.50Ct Treatment: Natural Untreated Type: Faceted, Polished

5 days Left

*19.50Ct Calibrated 7x5mm Faceted Welo Opal Set - Ethiopian Opal , 135E

Ksmith Heritage Auctioneers

Est. $130-$260

Featured

9K Gold Natural Garnet Opal Pearl and Diamond Vintage Style Floral Chandelier Pendant: CHARACTERISTICSOrigin: ThailandMetal: 9K Yellow GoldPendant Size: 31 mm. (w) x 47 mm. (l) *this pendant is supplied without a chain*Total Gemstones Weight: 2.68 carat (approx.)Total Gram Weight: 4.40

3 hrs Left

9K Gold Natural Garnet Opal Pearl and Diamond Vintage Style Floral Chandelier Pendant

Lilly M. JEWELERS

Est. $1,400-$1,700

4.77 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 17x9mm, 43XA: This captivating Welo opal gleams with a luminous cascade of multi neon color that ripple across the stone's surface with every movement. The play-of-color is vivid and well-distributed, presenting a

18 hrs Left

4.77 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 17x9mm, 43XA

Est. $20-$40

10.40 Carats Multicolor Welo Opal Selection - Natural Ethiopian Stones, 7-9mm, 16XK: A kaleidoscope of shifting fire dances across this glowing selection of Welo opals, offering flashes of electric green, neon pink, oceanic blue, and sunlit orange. The stones exhibit that signature et

18 hrs Left

10.40 Carats Multicolor Welo Opal Selection - Natural Ethiopian Stones, 7-9mm, 16XK

Est. $60-$120

2.73 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x9mm, 20XC: This captivating Welo opal gleams with a luminous cascade of multi neon color that ripple across the stone's surface with every movement. The play-of-color is vivid and well-distributed, presenting a

18 hrs Left

2.73 Carats Play-of-Color Welo Opal - Natural Ethiopian Gem 11x9mm, 20XC

Est. $20-$40

7.38 Ct Natural Fire Opal Pear Cab: Weight - 7.38 Ct / Size - 17.00 x 12.00 x 6.20 mm / Shape - Excellent Pear Cab / Clarity - Opaque / Origin - Brazil / Treatment - None

1 day Left

7.38 Ct Natural Fire Opal Pear Cab

Est. $75-$150

Ring US7 Blue Opal Amethyst & Peridot - 925 Sterling Silver, 71B: Ksmith Heritage Auctioneers Subject: Natural Blue Opal, Amethyst & Peridot Origin: Thailand Carat Weight: 4.32g Dimension: Gemstone 5x7mm Type: Ring

5 days Left

Ring US7 Blue Opal Amethyst & Peridot - 925 Sterling Silver, 71B

Ksmith Heritage Auctioneers

Est. $90-$180

6.55 Ct Natural Blue Fire Opal Round Beads: Weight - 6.55 Ct / Dimensions - 5.00 - 5.50 mm / 17 Pc's / Shape - Round Drilled / Color - Blue / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

1 day Left

6.55 Ct Natural Blue Fire Opal Round Beads

Est. $75-$150

3.14 Ct Natural Blue & Pink Opal Faceted Beads: Weight - 3.14 Ct / Dimensions - 5.00 - 5.20 mm / 8 Pc's / Shape - Round Drilled / Color - Pink & Blue / Clarity - Translucent / Origin - Ethiopia / Treatment - Heated

1 day Left

3.14 Ct Natural Blue & Pink Opal Faceted Beads

Est. $75-$150

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