Opal

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3.08 Carats Boulder Opal Cabochon - Natural Matrix & Play-of-Color Specimen, 54XM: This 3.08ct boulder opal cabochon, measuring 10x9mm, is a striking example of Australia's iconic gemstone, showcasing the unique beauty of nature's artistry. The triangular cabochon is polished to a s

2026

3.08 Carats Boulder Opal Cabochon - Natural Matrix & Play-of-Color Specimen, 54XM

ThousandPlanetSathorn, Bangkok

Two Opalized Fossil Sculptures: Two opalized fossil sculptures with stands. Approx. 4.2*3.2*0.9 inch (larger w/o stand).

2026

Two Opalized Fossil Sculptures

Wealthier Art & AuctionLa Puente, CA

Estate Vintage R McCall Artist Signed Sterling Silver & 14K Gold Modernist Brooch: Estate Vintage R McCall Artist Signed Sterling Silver & 14K Gold Modernist Brooch with single opal stone, 1989. Marks: R McCall/1989/Sterling/14K Total weight: 22 grams. Provenance: Estate of Victoria

2026

Estate Vintage R McCall Artist Signed Sterling Silver & 14K Gold Modernist Brooch

Hoboken AuctionsHoboken, NJ

Signed Navajo Sterling Opal Inlay Earrings: Signed LD (possibly Leonard Dixson?) Navajo Sterling Opal Inlay Earrings | 3.8g

2026

Signed Navajo Sterling Opal Inlay Earrings

Retro Roadshow AuctionsDublin, OH

Ervin Hoskie Navajo Sterling Sugilite Opal Inlay Dangle Earrings: Ervin Hoskie Navajo Sterling Sugilite & Opal Inlay Dangle Earrings | 3.3g

2026

Ervin Hoskie Navajo Sterling Sugilite Opal Inlay Dangle Earrings

Retro Roadshow AuctionsDublin, OH

Southwest Sterling Lapis Lazuli and Opal Inlay Earrings: Southwest Sterling Lapis Lazuli and Opal Inlay Earrings | 5.1g

2026

Southwest Sterling Lapis Lazuli and Opal Inlay Earrings

Retro Roadshow AuctionsDublin, OH

Jay King Mine Finds Sterling Pink Opal Dangle Earrings: Jay King Mine Finds/Desert Rose Trading Sterling Pink Opal Dangle Earrings 8g

2026

Jay King Mine Finds Sterling Pink Opal Dangle Earrings

Retro Roadshow AuctionsDublin, OH

Jay King Mine Finds Convertible Sterling Faceted Pink Opal Turquoise Necklace: Jay King Mine Finds/Desert Rose Trading Convertible! Sterling Faceted Pink Opal Turquoise Necklace 75g - can adjust necklace to your desired length by adding or removing the magnet connections - appea

2026

Jay King Mine Finds Convertible Sterling Faceted Pink Opal Turquoise Necklace

Retro Roadshow AuctionsDublin, OH

9.15 Ct Opal & Diamond Designer Bracelet $1,520: 20 pieces of GENUINE 5X7mm oval white Indian opals quality AAA no treatment. 6 pieces of GENUINE single cut diamonds, Color: I-J & Clarity:I2-I3 No treatment. 12.81 grams of brass layered with 18K yel

2026

9.15 Ct Opal & Diamond Designer Bracelet $1,520

U.S. Auction GalleryEncino, CA

0.53 Ct Natural Diamond Opal Sterling Silver Designer Earrings MSRP $1,285!: Gemstone: OpalColor: WhiteShape: OvalSize: 6x4Quantity: 2CTW: 0.51 Diamond DescriptionShape: RoundsSize: 1.1mm Quantity: 2CTW: 0.02Grade: I3Color: H-I Material Information:Plating Material: 18K Yellow

2026

0.53 Ct Natural Diamond Opal Sterling Silver Designer Earrings MSRP $1,285!

U.S. Auction GalleryEncino, CA

$2,475 Value! 8.09 cts Natural Diamond Opal Sapphire Rhodium Sterling Silver Designer Bracelet #2057: Diamond Description Shape: Round ,Size: 1.2mm, Quantity: 10, CT: 0.09, Grade: I2, Color: H-I, Opal : 5, 7x5mm, 2.2 ct, Black Sapphire : 5, 7x5mm, 5.8 ct, Material Information:Plating Material: Rhodium

2026

$2,475 Value! 8.09 cts Natural Diamond Opal Sapphire Rhodium Sterling Silver Designer Bracelet #2057

U.S. Auction GalleryEncino, CA

Unmounted Opal Cabochon: Unmounted Opal Cabochon. The unmounted pear shaped opal cabochon weighing approximately 11.93 cts. and measuring approximately 22 x 15 mm.

2026

Unmounted Opal Cabochon

Michaan's AuctionsAlameda, CA

Unmounted Opal Double Cabochon: Unmounted Opal Double Cabochon. The unmounted pear shaped double opal cabochon weighing approximately 28.36 cts. and measuring approximately 24 x 18 mm.

2026

Unmounted Opal Double Cabochon

Michaan's AuctionsAlameda, CA

26.58 Ct Natural Blue Opal Pear Cab: weight - 26.58 Ct / Size - 34.00 x 21.90 x 6.20 mm / Shape - Excellent Pear Cab / Origin - Brazil / Treatment - None

2026

26.58 Ct Natural Blue Opal Pear Cab

Gems AuctionBangkok, TH

Ladies 14k Opal Accented Hidden Geneva Watch: Vintage ladies 14k Opal Accented hidden wristwatch. A Real Eye Catcher !!! Striking case is embellished with (9) attractive Opals, which really "POP" out on handsome well constructed 14k yellow gold s

2026

Ladies 14k Opal Accented Hidden Geneva Watch

Donley AuctionsUnion, IL

39.54 Ct Natural Pink Opal Oval Cab: weight - 39.54 Ct / Size - 37.00 x 25.30 x 6.60 mm / Shape - Excellent Oval Cab / Origin - Australia / Treatment - None

2026

39.54 Ct Natural Pink Opal Oval Cab

Gems AuctionBangkok, TH

1.89 Ct Natural Pink Fire Opal Oval Cab: Weight - 1.89 Ct / Size - 12.00 x 8.90 x 4.30 mm / Shape - OVal Cab / Color - Pink / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

1.89 Ct Natural Pink Fire Opal Oval Cab

Gems AuctionBangkok, TH

1.52 Ct Natural Orange Fire Opal Oval Cut: Weight - 1.52 Ct / Size - 10.50 x 7.60 x 5.40 mm / Shape - OVal Cut / Color - Orange / Transparency - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

1.52 Ct Natural Orange Fire Opal Oval Cut

Gems AuctionBangkok, TH

2.25 Ct Natural Orange Fire Opal OVal Cab: Weight - 2.25 Ct / Dimensions - 10.90 x 9.10 x 5.00 mm / Shape - OVal Cab / Color - Orange / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

2.25 Ct Natural Orange Fire Opal OVal Cab

Gems AuctionBangkok, TH

3.13 Ct Natural Pink Fire Opal Oval Cab: Weight - 3.13 Ct / Size - 12.20 x 9.70 x 6.00 mm / Shape - Oval Cab / Color - Pink / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

3.13 Ct Natural Pink Fire Opal Oval Cab

Gems AuctionBangkok, TH

2.13 Ct Natural Blue Fire Opal Oval Cab: Weight - 2.13 Ct / Size -11.50 x 8.50 x 5.20 mm / Shape - Oval Cab / Color - Blue / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

2.13 Ct Natural Blue Fire Opal Oval Cab

Gems AuctionBangkok, TH

2.19 Ct Natural Pink Fire Opal Oval Cab: Weight - 2.19 Ct / Dimensions - 11.70 x 8.30 x 5.30 mm / Shape - OVal Cab / Color - Pink / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

2.19 Ct Natural Pink Fire Opal Oval Cab

Gems AuctionBangkok, TH

2.30 Ct Natural Rainbow Fire Opal Oval Cab: Weight - 2.30 Ct / Dimensions - 11.80 x 8.20 x 5.10 mm / Shape - OVal Cab / Color - Bicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

2.30 Ct Natural Rainbow Fire Opal Oval Cab

Gems AuctionBangkok, TH

4.23 Ct Natural Candy Fire Opal OVal Cab: Weight - 4.23 Ct / Dimensions - 14.20x 10.80 x 5.40 mm / Shape - Oval Cab / Color - Bicolor / Clarity - Translucent / Origin - Ethiopia / Treatment - Color Heated

2026

4.23 Ct Natural Candy Fire Opal OVal Cab

Gems AuctionBangkok, TH

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Opal Auctions

Natural Multi Color Play Of Colour Opal Gemstones 1.05 Ct. Oval Cabochon Shape 13 x 9.5 Mm.

Natural Paraiba Color Apatite Gemstones 58.85 Ct. Briolette With Drilled Beads Length 10 Inch

Natural Green Demantoid Garnet Gemstones 1.35 Ct. Oval Shape 6.42 x 5.70 Mm.

Natural Loose Gemstones Diamond Opal Special

Treasure of Gems & Jewelry

Starts on:

Lake Charles, LA, US

6 days Left

Weller Sicard 1902-07 Art Nouveau Pottery Iridescent Luster Floral Decorated 25" Floor Vase

Louis Marx & Co. 1930s Tin Lithograph "Roadside Rest Service Station" Toy Set

Freiwald Studio Art Pottery Hand Made Figural Bat Taking Flight On Green Stump Ceramic Sculpture

Decorative Arts And Fine Objects Auction

Crafted Auctions

Starts on:

Germantown Hills, IL, US

6 days Left

18K Gold Natural Sapphire Ring

18K Gold South Sea Golden Pearl Pendant

18K Gold Diamond Necklace

Fine Jewelry Treasure Hunt Auction

TOISHINSEI Co., Ltd.

Starts on:

Osaka, Osaka, JP

2 days Left

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