• 1.73 ct AAA Flashing Oval Cabochon (10 x 8 mm) Black Opal Loose Loose Gemstone

    1.73 ct AAA Flashing Oval Cabochon Shape (10 x 8 mm) Natural Black Opal Loose Gemstone. Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color.
    AU $86.72
    From United States
    or Best Offer
    FAST 'N FREE
  • 2.14 ct AAA Superior Oval Cabochon Shape (13 x 9 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.97 ct AAA Fair Pear Cabochon Shape (12 x 9 mm) Natural Black Opal Loose Stone

    Shape Pear Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 2.27 ct AAA Impressive Oval Cabochon Shape (11 x 8 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $75.71
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.89 ct AAA Amazing Pear Cabochon Shape (10x6mm) Black Opal Loose Loose Gemstone

    0.89 ct AAA Amazing Pear Cabochon Shape (10 x 6 mm) Natural Black Opal Loose Gemstone. Shape Pear Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.56 ct AAA Magnificent fire Oval Cabochon Shape (8 x 6 mm) Black Opal Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $34.40
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.21 ct Cabochon (9 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.21 ct Eye-opening Cabochon Cut (9 x 7 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Cabochon Black Color Natural Stone. Shape Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $37.16
    From United States
    or Best Offer
    FAST 'N FREE
  • 3.65 ct AAA Superior Marquise Cabochon (16 x 8 mm) Black Opal Loose Gemstone

    Shape Marquise Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $137.66
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.03 ct Pleasant Oval Cabochon Cut (9 x 7 mm) Flashing Multicolor Black Opal

    History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.22 ct World class Oval Cabochon Cut (11 x 6 mm) Flashing Multicolor Black Opal

    History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.42 ct AAA Marvelous Oval Cabochon Shape (8 x 5 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $34.40
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.90 ct AAA Premium Pear Cabochon Shape (12 x 8 mm) Black Opal Loose Stone

    Shape Pear Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.97 ct AAA Elegant Oval Cabochon Shape (11 x 9 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.97 ct AAA Incomparable Oval Cabochon Shape (11 x 9 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.84 ct AAA Superior Marquise Cabochon Shape (13 x 6 mm) Black Opal Loose Stone

    Shape Marquise Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.95 ct AAA Incredible Oval Cabochon Shape (9 x 6 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.64 ct AAA Lovely Oval Cabochon Shape (10 x 6 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $34.40
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.53 ct AAA Great looking Pear Cabochon Shape (8 x 7 mm) Black Opal Loose Stone

    Shape Pear Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $34.40
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.87 ct AAA Stunning Oval Cabochon Shape (12 x 9 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $61.94
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.66 ct Cabochon Cut (9 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.66 ct Amazing Cabochon Cut (9 x 6 mm) Flashing 360 Degree Multicolor Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color.
    AU $37.16
    From United States
    or Best Offer
    FAST 'N FREE
  • 2.65 ct AAA Charming Oval Cabochon Shape (13 x 9 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $75.71
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.79 ct AAA Remarkable Round Cabochon Shape (7 x 7 mm) Black Opal Loose Stone

    Shape Round Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.44 ct AAA Fair Oval Cabochon Shape (13 x 9 mm) Natural Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.86 ct AAA Fair Oval Cabochon Shape (9 x 6 mm) Natural Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 2.45 ct AAA Very good Oval Cabochon Shape (12 x 10 mm) Black Opal Loose Stone

    History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $75.71
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.69 ct AAA Spectacular Oval Cabochon Shape (9 x 7 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $34.40
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.71 ct AAA Lovely Oval Cabochon Shape (8 x 6 mm) Natural Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $34.40
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.14 ct AAA Outstanding Oval Cabochon Shape (9 x 7 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.08 ct AAA Best Oval Cabochon Shape (9 x 6 mm) Natural Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.02 ct AAA Marvelous Round Cabochon Shape (8 x 8 mm) Black Opal Loose Stone

    Shape Round Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.24 ct AAA Marvelous Oval Cabochon Shape (11 x 8 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.90 ct AAA Lovely Oval Cabochon Shape (9 x 6 mm) Natural Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.17 ct AAA Outstanding Oval Cabochon Shape (9 x 6 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.00 ct AAA Premium Oval Cabochon Shape (9 x 6 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.87 ct AAA Tremendous Oval Cabochon Shape (11 x 6 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.94 ct AAA Great looking Cushion Cabochon Shape (11 x 6 mm) Black Opal Stone

    Shape Cushion Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.41 ct AAA Five-star Oval Cabochon Shape (9 x 8 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 3.10 ct AAA Elegant Round Cabochon Shape (11 x 11 mm) Black Opal Loose Stone

    Shape Round Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $89.47
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.89 ct AAA Charming Oval Cabochon Shape (10 x 9 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.13 ct AAA Astonishing Oval Cabochon Shape (8 x 6 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.86 ct AAA Premium Oval Cabochon Shape (10 x 7 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.97 ct AAA Extraordinary Oval Cabochon Shape (10 x 7 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.85 ct AAA Fantastic Oval Cabochon Shape (8 x 7 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.01 ct AAA Best Oval Cabochon Shape (10 x 7 mm) Natural Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.24 ct AAA Fabulous Oval Cabochon Shape (10 x 8 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.06 ct AAA Premium Oval Cabochon Shape (8 x 7 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 1.18 ct AAA Extraordinary Oval Cabochon Shape (10 x 7 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
  • 0.95 ct AAA Great looking Oval Cabochon Shape (9 x 6 mm) Black Opal Loose Stone

    Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water. Black Opal refers to the dark background color of the stone behind the play of color. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $48.17
    From United States
    or Best Offer
    FAST 'N FREE
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