Opal

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6.76Ct Boulder Opal - Australian Opal , 100E: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 6.76Ct Dimension: 16.8x12.6x4.3 mm Treatment: Natural Untreated Type: Cabochon, P

2026

6.76Ct Boulder Opal - Australian Opal , 100E

Ksmith Heritage AuctioneersJelutong, Penang

*2.90Ct Boulder Opal - Australian Opal, 850B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 2.90Ct Dimension: 10.3x9.2x3 mm Treatment: Natural Untreated Type: Cabochon, Polished<

2026

*2.90Ct Boulder Opal - Australian Opal, 850B

Ksmith Heritage AuctioneersJelutong, Penang

*5.20Ct Boulder Opal - Australian Opal, 1143B: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 5.20Ct Dimension: 12.6x8.8x3.5 mm Treatment: Natural Untreated Type: Cabochon, Polishe

2026

*5.20Ct Boulder Opal - Australian Opal, 1143B

Ksmith Heritage AuctioneersJelutong, Penang

2.31Ct Welo Black Opal Polished - Ethiopian Opal , 936E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.31Ct Dimension: 11.1x7.6x5.5 mm Treatment: Smoked Type: Cabochon, P

2026

2.31Ct Welo Black Opal Polished - Ethiopian Opal , 936E

Ksmith Heritage AuctioneersJelutong, Penang

3.83Ct Welo Opal - Ethiopian Opal - Oval Cabochon, 416B: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 3.83Ct Dimension: 14.1x9.8x5.9 mm Treatment: Natural Untreated Type: Cabochon, P

2026

3.83Ct Welo Opal - Ethiopian Opal - Oval Cabochon, 416B

Ksmith Heritage AuctioneersJelutong, Penang

*11.03Ct Boulder Opal Set - Australian Opal , 220E: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 11.03Ct Dimension: 12.3x8.3x4.2 mm Treatment: Natural Untreated Type: Cabochon, P

2026

*11.03Ct Boulder Opal Set - Australian Opal , 220E

Ksmith Heritage AuctioneersJelutong, Penang

*3.64Ct Boulder Opal - Australian Opal , 253E: Ksmith Heritage Auctioneers Subject: Natural Boulder Opal Origin: Australia Carat Weight: 3.64Ct Dimension: 13.8x9.4x3 mm Treatment: Natural Untreated Type: Cabochon, Poli

2026

*3.64Ct Boulder Opal - Australian Opal , 253E

Ksmith Heritage AuctioneersJelutong, Penang

1.68Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 599E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 1.68Ct Dimension: 16.2x7.2x3.7 mm Treatment: Smoked Type: Faceted, Po

2026

1.68Ct Welo Black Opal Faceted Polished - Ethiopian Opal , 599E

Ksmith Heritage AuctioneersJelutong, Penang

1.66Ct Welo Opal Polished - Ethiopian Opal , 587E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 1.66Ct Dimension: 11.3x7.8x4.7 mm Treatment: Natural Untreated Type: Facete

2026

1.66Ct Welo Opal Polished - Ethiopian Opal , 587E

Ksmith Heritage AuctioneersJelutong, Penang

2.39Ct Welo Opal Polished - Ethiopian Opal - Oval Faceted , 376E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 2.39Ct Dimension: 13.5 x 9.7 x 4.6 mm Treatment: Natural Untreated Shape: O

2026

2.39Ct Welo Opal Polished - Ethiopian Opal - Oval Faceted , 376E

Ksmith Heritage AuctioneersJelutong, Penang

7.74Ct Welo Black Opal Polished Lot - Ethiopian Opal , 728E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 7.74Ct Dimension: 11.8x7.9x4.4 mm Treatment: Smoked Type: Cabochon, P

2026

7.74Ct Welo Black Opal Polished Lot - Ethiopian Opal , 728E

Ksmith Heritage AuctioneersJelutong, Penang

*6.89Ct 45pcs Calibrated 5x3mm Faceted Welo Opal Set - Ethiopian Opal , 848E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 6.89Ct Treatment: Natural Untreated Type: Faceted, Polished

2026

*6.89Ct 45pcs Calibrated 5x3mm Faceted Welo Opal Set - Ethiopian Opal , 848E

Ksmith Heritage AuctioneersJelutong, Penang

2.65Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 456E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Black Opal Origin: Ethiopia Carat Weight: 2.65Ct Dimension: 14.8x9.6x5.4 mm Treatment: Smoked Type: Faceted, Po

2026

2.65Ct Welo Black Opal - Ethiopian Opal - Faceted Polished , 456E

Ksmith Heritage AuctioneersJelutong, Penang

*9.28Ct 12pcs Calibrated 8x6mm Faceted Welo Opal Set - Ethiopian Opal , 502E: Ksmith Heritage Auctioneers Subject: Natural Ethiopian Welo Opal Origin: Ethiopia Carat Weight: 9.28Ct Treatment: Natural Untreated Type: Faceted, Polished

2026

*9.28Ct 12pcs Calibrated 8x6mm Faceted Welo Opal Set - Ethiopian Opal , 502E

Ksmith Heritage AuctioneersJelutong, Penang

61.05 tcw. Natural Rough Opal Parcel: Item is the exact item in image - Bidder is responsible for all value and grade determination - Please review all terms prior to placing any bids- Any bid is an agreement to all terms and conditions -

2026

61.05 tcw. Natural Rough Opal Parcel

Shipping DepartmentPost Falls, ID

70.45 tcw. Natural Rough Opal Parcel: Item is the exact item in image - Bidder is responsible for all value and grade determination - Please review all terms prior to placing any bids- Any bid is an agreement to all terms and conditions -

2026

70.45 tcw. Natural Rough Opal Parcel

Shipping DepartmentPost Falls, ID

15.5 gram Natural OPALIZED Ammonite Fossil: Item is the exact item in the image - Please review the terms and conditions prior to placing any bids -

2026

15.5 gram Natural OPALIZED Ammonite Fossil

Shipping DepartmentPost Falls, ID

60.75 tcw. Natural Rough Opal Parcel: Item is the exact item in image - Bidder is responsible for all value and grade determination - Please review all terms prior to placing any bids- Any bid is an agreement to all terms and conditions -

2026

60.75 tcw. Natural Rough Opal Parcel

Shipping DepartmentPost Falls, ID

18K Yellow Gold European Opal Gemstone Ring: 18K Yellow Gold European Opal Gemstone Ring. This ring consists of five (5) natural oval cut white opals and eighteen (18) rose cut diamonds all prong set into an 18K Yellow gold mounting. The opals a

2026

18K Yellow Gold European Opal Gemstone Ring

Flannery's Estate ServicesPine Bush, NY

Wilbert Manning 925 & 14K Navajo Kachina Pendant: The pendant is marked Sterling 14K WM, along with a makers mark. The piece is comprised of sterling silver, 14K yellow gold, carved coral stones, and a few turquoise and opal details. One side of the

2026

Wilbert Manning 925 & 14K Navajo Kachina Pendant

Direct Auction Galleries Chicago, IL

Sterling Opal Starfish Pendant: Sterling Opal starfish pendant. 2.40g

2026

Sterling Opal Starfish Pendant

Retro Roadshow AuctionsSaratoga Springs, UT

Sterling Opal Oval Pendant: Sterling Opal oval pendant. 1.80g

2026

Sterling Opal Oval Pendant

Retro Roadshow AuctionsSaratoga Springs, UT

AK Sterling Opal Flower Pendant: AK Sterling Opal flower pendant. 6.40g

2026

AK Sterling Opal Flower Pendant

Retro Roadshow AuctionsSaratoga Springs, UT

Mexico Sterling Opal Hook Back Earrings: Mexico Sterling Opal hook back earrings. 4.60g

2026

Mexico Sterling Opal Hook Back Earrings

Retro Roadshow AuctionsSaratoga Springs, UT

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24

Opal Auctions

Vintage Confetti/Wedding Cake & Blue Glass Beaded Necklace, 28", Rose Box Clasp, 1950's-1970's

Vintage Sterling Reverse Carved Pagoda Necklace/Earrings Set, 19", Leverback, 1980's-1990's.

Vintage 22 Strand Black Beaded Necklace And Czech Screw Back Earrings, Mid-Century

Vintage And Antique Earring Collection

Ends from:

New York, NY, US

Superb Iatmul Mask, Papua New Guinea

Fine Borneo Shaman Bin with Lid

Early Japanese Oni Demon Mask

Fine Ethnographic, Asian & Antiques

Inspired Auctions

Starts on:

Brea, CA, US

6 days Left

4.75 Ct Oval Blue Topaz 9K Gold Earrings

1.65 Ct Oval Pink Topaz 9K Gold Ring

5.47 Ct Pear Aquamarine 9K Gold Pendant

Exquisite 9K Gold Gemstone Jewelry Collection

Ends from:

New York, NY, US

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