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    Opal Gemstone

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    • Three Unmounted Black Opals, 6.2 Total Cts. 5g 3 pcs
      Estimate
      $200 - $400

      Three Unmounted Black Opals, 6.2 Total Cts. 5g 3 pcs

      Est.
      $200 - $400
      DuMouchelles
      Click Here to Bid Live
    • 24.65ct Ethiopian Opal Gemstone
      Estimate
      $2,500 - $3,500

      24.65ct Ethiopian Opal Gemstone

      Est.
      $2,500 - $3,500
      Heritage Estate Jewelry
    • 13.98ct Ethiopian Opal Gemstone
      Estimate
      $1,500 - $1,800

      13.98ct Ethiopian Opal Gemstone

      Est.
      $1,500 - $1,800
      Heritage Estate Jewelry
    • 4.2ct Ethiopian Opal Gemstone
      Estimate
      $300 - $500

      4.2ct Ethiopian Opal Gemstone

      Est.
      $300 - $500
      Heritage Estate Jewelry
    • 7.08ct Ethiopian Opal Gemstone
      Estimate
      $900 - $1,100

      7.08ct Ethiopian Opal Gemstone

      Est.
      $900 - $1,100
      Heritage Estate Jewelry
    • A quantity of unmounted gemstones,
      Estimate
      GBP£50 - GBP£70 $62.50 - $87.50

      A quantity of unmounted gemstones,

      Est.
      GBP£50 - GBP£70 $62.50 - $87.50
      Sworders
      Click Here to Bid Live
    • Large Collection of Unmounted Gemstones
      Estimate
      $500 - $700

      Large Collection of Unmounted Gemstones

      Est.
      $500 - $700
      Fine Estate, Inc.
      2 Bids
      Sold for
      $275
      Click Here to Bid Live
    • Group of Unmounted Gemstones
      Estimate
      $300 - $500

      Group of Unmounted Gemstones

      Est.
      $300 - $500
      Fine Estate, Inc.
      1 Bid
      Sold for
      $150
      Click Here to Bid Live
    • 4.17 Australian Opal
      Estimate
      $2,200 - $2,800

      4.17 Australian Opal

      Est.
      $2,200 - $2,800
      Heritage Estate Jewelry
    • JEWELRY. Collection of Loose Gemstones Inc. Opals.
      Estimate
      $300 - $500

      JEWELRY. Collection of Loose Gemstones Inc. Opals.

      Est.
      $300 - $500
      Clarke Auction
      Click Here to Bid Live
    • 2.49ct Australian Opal
      Estimate
      $2,300 - $2,800

      2.49ct Australian Opal

      Est.
      $2,300 - $2,800
      Heritage Estate Jewelry
    • A quantity of unmounted gemstones,
      Estimate
      GBP£60 - GBP£90 $75 - $112.50

      A quantity of unmounted gemstones,

      Est.
      GBP£60 - GBP£90 $75 - $112.50
      Sworders
      Click Here to Bid Live
    • 4.2ct Australian Black Opal
      Estimate
      $2,800 - $3,400

      4.2ct Australian Black Opal

      Est.
      $2,800 - $3,400
      Heritage Estate Jewelry
    • Group of Unmounted Opals
      Estimate
      $300 - $500

      Group of Unmounted Opals

      Est.
      $300 - $500
      Fine Estate, Inc.
    • Loose Black Opal
      Estimate
      $5,000 - $20,000

      Loose Black Opal

      Est.
      $5,000 - $20,000
      Intervendue
      Click Here to Bid Live
    • Loose Black Ethiopian Opal 
      Estimate
      $15,000 - $50,000

      Loose Black Ethiopian Opal 

      Est.
      $15,000 - $50,000
      Intervendue
      Click Here to Bid Live
    • Charles Herdemian Opal Studs
      Estimate
      $150 - $250

      Charles Herdemian Opal Studs

      Est.
      $150 - $250
      Neue Auctions
      Click Here to Bid Live
    • English 18k Gold Carved Opal Diamond Lion in a Cage Figurine
      Estimate
      $2,500 - $4,000

      English 18k Gold Carved Opal Diamond Lion in a Cage Fig...

      Est.
      $2,500 - $4,000
      Farber Auctioneers and Appr...
      Click Here to Bid Live
    • 5.60 cttw. Loose Mixed-Cut Opal Stones, 5
      Estimate
      $200 - $400

      5.60 cttw. Loose Mixed-Cut Opal Stones, 5

      Est.
      $200 - $400
      Auctions at Showplace
      Click Here to Bid Live
    • An unmounted pear shaped cabochon opal,
      Estimate
      GBP£500 - GBP£700 $625 - $875

      An unmounted pear shaped cabochon opal,

      Est.
      GBP£500 - GBP£700 $625 - $875
      Sworders
      Click Here to Bid Live
    • An unmounted pear shaped cabochon opal,
      Estimate
      GBP£400 - GBP£600 $500 - $750

      An unmounted pear shaped cabochon opal,

      Est.
      GBP£400 - GBP£600 $500 - $750
      Sworders
      Click Here to Bid Live
    • Ethiopian Black Opal 13.75ct  
      Estimate
      $3,000 - $5,000

      Ethiopian Black Opal 13.75ct  

      Est.
      $3,000 - $5,000
      Intervendue
      Click Here to Bid Live
    • JEWELRY. Assorted Grouping of Gemstones.
      Estimate
      $300 - $500

      JEWELRY. Assorted Grouping of Gemstones.

      Est.
      $300 - $500
      Clarke Auction
      Click Here to Bid Live
    • 2.40 Ct. Loose Round-Cut Fire Opal Stone
      Estimate
      $300 - $500

      2.40 Ct. Loose Round-Cut Fire Opal Stone

      Est.
      $300 - $500
      Auctions at Showplace
      Click Here to Bid Live
    • 7.80 Cttw. Loose Mixed-Cut Fire & Ethiopian Opal 8
      Estimate
      $300 - $500

      7.80 Cttw. Loose Mixed-Cut Fire & Ethiopian Opal 8

      Est.
      $300 - $500
      Auctions at Showplace
      Click Here to Bid Live
    • JEWELRY. Collection of Unmounted Carved Opals.
      Estimate
      $400 - $600

      JEWELRY. Collection of Unmounted Carved Opals.

      Est.
      $400 - $600
      Clarke Auction
      Click Here to Bid Live
    • BLACK OPAL - 3.09 Cts - ETHIOPIA
      Estimate
      $1,000 - $2,000

      BLACK OPAL - 3.09 Cts - ETHIOPIA

      Est.
      $1,000 - $2,000
      Intervendue
      Click Here to Bid Live
    • Collection of Loose Gemstones & Cut Crystal
      Estimate
      $100 - $200

      Collection of Loose Gemstones & Cut Crystal

      Est.
      $100 - $200
      Bruneau & Co. Auctioneers
      Click Here to Bid Live
    • OPAL WELO - 5.14 Cts - ETHIOPIA
      Estimate
      $1,500 - $2,500

      OPAL WELO - 5.14 Cts - ETHIOPIA

      Est.
      $1,500 - $2,500
      Intervendue
      Click Here to Bid Live
    • WHITE OPAL - 1.49 CTs - ETHIOPIA
      Estimate
      $1,500 - $2,500

      WHITE OPAL - 1.49 CTs - ETHIOPIA

      Est.
      $1,500 - $2,500
      Intervendue
      Click Here to Bid Live
    • WHITE OPAL - 2.98 Cts - ETHIOPIA
      Estimate
      $1,500 - $2,500

      WHITE OPAL - 2.98 Cts - ETHIOPIA

      Est.
      $1,500 - $2,500
      Intervendue
      Click Here to Bid Live
    • A ROUND CABOCHON BLACK OPAL,?5.48 carat approximately. 13.8
      Estimate
      GBP£100 - GBP£150 $125 - $187.50

      A ROUND CABOCHON BLACK OPAL,?5.48 carat approximately. ...

      Est.
      GBP£100 - GBP£150 $125 - $187.50
      Elstob & Elstob
      Click Here to Bid Live
    • OPAL WELO RAINBOW FIRE - 3.50 Cts - ETHIOPIA
      Estimate
      $500 - $1,000

      OPAL WELO RAINBOW FIRE - 3.50 Cts - ETHIOPIA

      Est.
      $500 - $1,000
      Intervendue
      Click Here to Bid Live
    • 1.7ct & 1.8ct Oval Cabochon Opals, Unmounted Stones, W 8mm L 19mm 1g 2 pcs
      Estimate
      $200 - $400

      1.7ct & 1.8ct Oval Cabochon Opals, Unmounted Stones, W ...

      Est.
      $200 - $400
      DuMouchelles
      Click Here to Bid Live
    • 3 milk opal cabochons, total 20.95 ct, white, opaque, with light to stronger color play, 22.8 x 16.2

      3 milk opal cabochons, total 20.95 ct, white, opaque, w...

      E
      Historia Auktionshaus
      Click Here to Bid Live
    • Opal Caved Rose (loose Stone) & Faint Pink Opal Cabochon, 6.7g 2 pcs
      Estimate
      $100 - $150

      Opal Caved Rose (loose Stone) & Faint Pink Opal Cabocho...

      Est.
      $100 - $150
      DuMouchelles
      Click Here to Bid Live
    • Opal Unmounted Cabochon, 1.8g
      Estimate
      $400 - $600

      Opal Unmounted Cabochon, 1.8g

      Est.
      $400 - $600
      DuMouchelles
      Click Here to Bid Live
    • CERTIFIED FIRE ORANGE OPAL - ETHIOPIA  -2.26 Cts
      Estimate
      $400 - $60,031

      CERTIFIED FIRE ORANGE OPAL - ETHIOPIA  -2.26 Cts

      Est.
      $400 - $60,031
      Intervendue
      Click Here to Bid Live
    • 3.2ct Opal, Unmounted 0.6g
      Estimate
      $300 - $500

      3.2ct Opal, Unmounted 0.6g

      Est.
      $300 - $500
      DuMouchelles
      Click Here to Bid Live
    • 9.15ct Opal, Unmounted 1.8g
      Estimate
      $300 - $500

      9.15ct Opal, Unmounted 1.8g

      Est.
      $300 - $500
      DuMouchelles
      Click Here to Bid Live
    • 18.40 CARAT FREE FORM OPAL
      Estimate
      $12,000 - $18,000

      18.40 CARAT FREE FORM OPAL

      Est.
      $12,000 - $18,000
      Hindman
      Click Here to Bid Live
    • 10,3ct Unmounted Opal 2.1g
      Estimate
      $300 - $500

      10,3ct Unmounted Opal 2.1g

      Est.
      $300 - $500
      DuMouchelles
      Click Here to Bid Live
    • Opal 55.5ct Unmounted Stone 11.4g
      Estimate
      $1,000 - $3,000

      Opal 55.5ct Unmounted Stone 11.4g

      Est.
      $1,000 - $3,000
      DuMouchelles
      Click Here to Bid Live
    • Opal, Unmounted, Rectangular 3 X 2cm 8g
      Estimate
      $300 - $600

      Opal, Unmounted, Rectangular 3 X 2cm 8g

      Est.
      $300 - $600
      DuMouchelles
      Click Here to Bid Live
    • Loose Opal Carving, Fruit And Flower, H 1.5" W 1.1" 7.3g
      Estimate
      $200 - $300

      Loose Opal Carving, Fruit And Flower, H 1.5" W 1.1" 7.3...

      Est.
      $200 - $300
      DuMouchelles
      Click Here to Bid Live
    • Opal Carving, Unmounted Depicting Phoenix in Flight, H 1.4" W 1.7" 17g
      Estimate
      $500 - $800

      Opal Carving, Unmounted Depicting Phoenix in Flight, H ...

      Est.
      $500 - $800
      DuMouchelles
      Click Here to Bid Live
    • Opal Carving, Figure of Horse, Not Mounted, H 0.9" L 1.4" 12.6g 1 pc
      Estimate
      $200 - $300

      Opal Carving, Figure of Horse, Not Mounted, H 0.9" L 1....

      Est.
      $200 - $300
      DuMouchelles
      Click Here to Bid Live
    • 9.15ct Cabochon Opal, Unmounted Stone, W 14mm L 22mm 1.8g
      Estimate
      $200 - $400

      9.15ct Cabochon Opal, Unmounted Stone, W 14mm L 22mm 1....

      Est.
      $200 - $400
      DuMouchelles
      Click Here to Bid Live