Opal

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1.52 Ct Natural Blue Fire Opal Oval Cut: Weight - 1.52 Ct / Size - 9.00 x 7.00 x 5.30 mm / Shape - Oval Cut / Color - Blue / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

1.52 Ct Natural Blue Fire Opal Oval Cut

Bangkok, TH

Gems Auction

4.7

(490)

2.71 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 2.71 Ct / Dimensions - 4.60 - 4.80 mm / 9 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.71 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Bangkok, TH

Gems Auction

4.7

(490)

2.14 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 2.14 Ct / Dimensions - 4.30 - 4.50 mm / 8 PC's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.14 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Bangkok, TH

Gems Auction

4.7

(490)

1.88 Ct Natural Multicolor Welo Opal Flash Fire Pear Cut: Weight - 1.88 Ct / Dimensions - 13.10 x 8.30 x 4.50 mm / Shape & Cut - Pear cut / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.88 Ct Natural Multicolor Welo Opal Flash Fire Pear Cut

Bangkok, TH

Gems Auction

4.7

(490)

2.26 Ct Natural Black Flashing Fire Opal Cushion Cut: Weight - 2.26 Ct / Size - 12.70 x 7.60 x 4.90 mm / Shape - Cushion Cut / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

2.26 Ct Natural Black Flashing Fire Opal Cushion Cut

Bangkok, TH

Gems Auction

4.7

(490)

1.97 Ct Natural Multicolor Welo Opal Flash Fire Cushion Cut: Weight - 1.97 Ct / Dimensions - 10.40 x 7.70 x 5.20 mm / Shape & Cut - Cushion Cut / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.97 Ct Natural Multicolor Welo Opal Flash Fire Cushion Cut

Bangkok, TH

Gems Auction

4.7

(490)

1.64 Ct Natural Multicolor Welo Opal Flash Fire Cushion Cut: Weight - 1.64 Ct / Dimensions - 12.70 x 6.80 x 4.30 mm / Shape & Cut - Cushion Cut / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.64 Ct Natural Multicolor Welo Opal Flash Fire Cushion Cut

Bangkok, TH

Gems Auction

4.7

(490)

3.43 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 3.43 Ct / Dimensions - 4.50 - 5.00 mm / 12 PC's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

3.43 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Bangkok, TH

Gems Auction

4.7

(490)

2.74 Ct Natural Candy Pink Fire Opal Pear Cab: Weight - 2.74 Ct / Size - 11.30 x 10.00 x 5.60 mm / Shape - Pear Cab / Color - Bicolor / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

2.74 Ct Natural Candy Pink Fire Opal Pear Cab

Bangkok, TH

Gems Auction

4.7

(490)

2.31 Ct Natural Black Flashing Fire Opal Oval Cab: Weight - 2.31 Ct / Size - 14.30 x 7.80 x 4.70 mm / Shape - Oval Cab / Color - Black / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Smoked

2026

2.31 Ct Natural Black Flashing Fire Opal Oval Cab

Bangkok, TH

Gems Auction

4.7

(490)

1.30 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Pair: Weight - 1.30 Ct / Dimensions - 5.9x4.1 - 6.0x4.2 mm / 4 Pc's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.30 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Pair

Bangkok, TH

Gems Auction

4.7

(490)

1.80 Ct Natural Multicolor Welo Opal Top Fire Oval Cab Pair: Weight - 1.80 Ct / Dimensions - 7.80 x 5.90 x 3.90 mm / 2 Pc's / Shape - Oval Cab / Color - Multicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - None

2026

1.80 Ct Natural Multicolor Welo Opal Top Fire Oval Cab Pair

Bangkok, TH

Gems Auction

4.7

(490)

2.74 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 2.74 Ct / Dimensions - 4.70 - 5.00 mm / 9 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.74 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Bangkok, TH

Gems Auction

4.7

(490)

3.06 Ct Natural Multicolor Welo Opal Flash Fire Round Beads: Weight - 3.06 Ct / Dimensions - 4.50 - 4.90 mm / 10 Pc's / Shape & Cut - Round Beads / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

3.06 Ct Natural Multicolor Welo Opal Flash Fire Round Beads

Bangkok, TH

Gems Auction

4.7

(490)

1.31 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set: Weight - 1.31 Ct / Dimensions - 6.1x4.2 - 6.4x4.4 mm / 4 Pc's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

1.31 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Set

Bangkok, TH

Gems Auction

4.7

(490)

2.41 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Pair: Weight - 2.41 Ct / Dimensions - 7.10 x 7.10 x 4.80 mm / 2 Pc's / Shape & Cut - Round Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

2.41 Ct Natural Multicolor Welo Opal Flash Fire Round Cab Pair

Bangkok, TH

Gems Auction

4.7

(490)

0.90 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Pair: Weight - 0.90 Ct / Dimensions - 7.00 x 4.80 x 2.40 mm / 2 Pc's / Shape & Cut - Oval Cab / Color - Multicolor / Transparency - Translucent / Origin - Ethiopia / Comments - None

2026

0.90 Ct Natural Multicolor Welo Opal Flash Fire Oval Cab Pair

Bangkok, TH

Gems Auction

4.7

(490)

Platinum Black Opal and Diamond Halo Pendant Necklace: This platinum pendant necklace features a central oval cabochon black opal weighing approximately 0.806 carats based on the reverse engraving. The stone is set in a four-prong mounting and exhibits vi

2026

Platinum Black Opal and Diamond Halo Pendant Necklace

Atlanta, GA

Gallery 63

4.6

(296)

VTG Pyrex Friendship Pattern Lasagna Pan: Vintage White Opal Glass Pyrex Lasagna Pan with Red Bird and Floral Friendship Pattern. Scratching, Staining, and Residue Present. Measures app 2in H x 15.25in L. Vintage Pyrex, Opal Glass, Lasagna Pa

2026

VTG Pyrex Friendship Pattern Lasagna Pan

Mount Kisco, NY

The Benefit Shop Foundation Inc.

4.4

(3.5k)

ANTIQUE OPAQUE SWIRL GLASS MARBLES, LOT OF THREE: ANTIQUE OPAQUE SWIRL GLASS MARBLES, LOT OF THREE, opaque black, comprising three Lutz Swirls, one gold aventurine and opal; one gold aventurine, opal, and green; and one

2026

ANTIQUE OPAQUE SWIRL GLASS MARBLES, LOT OF THREE

Mt. Crawford, VA

Jeffrey S. Evans & Associates

4.6

(1.1k)

ASSORTED SLAG MACHINE-MADE MARBLES, LOT OF 140: ASSORTED SLAG MACHINE-MADE MARBLES, LOT OF 140, including amber, blue, electric blue, green, purple, opal, and three fluorescents (react under black light). Christensen Agate Co., Akro Agate Co.,

2026

ASSORTED SLAG MACHINE-MADE MARBLES, LOT OF 140

Mt. Crawford, VA

Jeffrey S. Evans & Associates

4.6

(1.1k)

SOLD

14k Gold 4.07 Ct Natural Opal & Diamond Ring: Ref:231089223 // gold content:14k gold // ring size:7. 25us // // main gemstone:opal // shape:oval // carat weight:4. 07ct // color:color // treatment:natural // // adjacent gemstone 2 : diamond // sh

2026

14k Gold 4.07 Ct Natural Opal & Diamond Ring

Silver Spring, MD

Elbert Gallery

4.4

(79)

6.14ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 25BY: This smoothly polished cabochon is genuine natural Ethiopian Welo opal. The translucent base hosts vivid multi-coloured play-of-colour, displaying dynamic flashes of multi color that shift as the view

2026

6.14ct Natural Ethiopian Welo Opal Cabochon Loose Gemstone, 25BY

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

2.61ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 44FX: This fully polished Ethiopian Welo opal features a dark smoked base with vivid, sweeping play-of-color shifting across its glossy dome surface, measured at 14x8x5mm. The black smoke treatment deepens

2026

2.61ct Natural Ethiopian Welo Black Smoked Opal Cabochon Loose Gemstone, 44FX

Sathorn, Bangkok

ThousandPlanet

4.5

(314)

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24

Opal Auctions

Large Rookwood plaque, Summer, Hurley, 1948, 12 by 14 inches.

Rookwood Vellum, Barn Swallows and Moon, Shirayamadani, 1907.

Rare Rookwood Aerial Blue mug with Polar Bear, Shirayamadani, 1896.

Fall 2026: Rookwood + Art Pottery

Starts on:

Cincinnati, OH, US

Rocki Gorman Sterling Silver Multi-Strand Cross Necklace 179.75g

Turquoise Sterling Silver Concho Belt on New Leather 12 Conchos 313.25g

Robert Johnson Navajo Turquoise Cuff

SILVER, STONE & STORY

Kahu Paws Trading LLC

Starts on:

Santa Fe, NM, US

Natural Baby Pink Kunzite Loose Stone Elegant Collector Gemstone - 2.50 cts - 9X6X6 mm

1.25 Carats Deep Blue Natural Aquamarine Loose Gemstone - 9X6X4 mm

Natural Baby Pink Kunzite Gemstone Premium Jewelry Stone - 3.50 Carats - 8X9X8 mm

NO RESERVE Loose Gemstones

Fantasy Jewelry

Starts on:

Muscat, Muscat, AE

24 hrs Left

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