• 1.16 ct AAA Extraordinary Oval Cabochon (9 x 6 mm) 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. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 2.30 Cts Untreated Natural Opal Vibrant Color Play ~ Flashy Top Quality Gemstone

    2.30 Cts TOP QUALITY NATURAL ETHIOPIAN oPAL VIBRANT PLAY OF COLORS UNTREATED FLASHY JEWEL. ~ 100% natural untreated ethiopian opal ~. Shape : Cabochon Gemstone. ~ fiery colors finest quality welo opal showing amazing color play ~.
    AU $19.99
    eBay Premium Service
    Free postage
    From India
  • 2.23 ct AAA Superb Round Cabochon (9 x 9 mm) Black Opal Loose Loose Gemstone

    2.23 ct AAA Superb Round Cabochon Shape (9 x 9 mm) Natural Black Opal Loose Gemstone. 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.
    AU $85.15
    From United States
    Was: Previous priceAU $109.17
    Free postage
    or Best Offer
  • 2.11 ct AAA Spectacular Oval Cabochon Shape (11 x 8mm) 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. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $66.23
    From United States
    Was: Previous priceAU $84.91
    Free postage
    or Best Offer
  • 2.19 ct AAA Valuable Pear Cabochon (12 x 8 mm) Black Opal Loose Loose Gemstone

    2.19 ct AAA Valuable Pear Cabochon Shape (12 x 8 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 $85.15
    From United States
    Was: Previous priceAU $109.17
    Free postage
    or Best Offer
  • 1.18 ct Cabochon (10 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.18 ct Remarkable Cabochon Cut (10 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.89 ct Cabochon (8 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.89 ct Resplendent Cabochon Cut (8 x 6 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.11 ct Fabulous Cabochon Cut (9 x 7 mm) Flashing Multicolor Black Opal Gemstone

    1.11 ct Fabulous Cabochon Cut (9 x 7 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.15 ct Cabochon (10 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.15 ct Great looking Cabochon Cut (10 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.04 ct Cabochon (9 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    Mined From Earth! Cabochon Black Color Natural Stone. Shape 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.13 ct Cabochon (8 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.13 ct Splendid Cabochon Cut (8 x 6 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.99 ct Cabochon (8 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.99 ct Incomparable Cabochon Cut (8 x 6 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.05 ct Cabochon Cut (9 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.05 ct Elegant Cabochon Cut (9 x 7 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.80 ct Cabochon (8 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.80 ct Terrific Cabochon Cut (8 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.94 ct Incomparable Cabochon (9 x 6 mm) Flashing Multicolor Black Opal Gemstone

    0.94 ct Incomparable Cabochon Cut (9 x 6 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.92 ct Cabochon (9 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.92 ct Outstanding Cabochon Cut (9 x 6 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.99 ct Fabulous Cabochon Cut (9 x 7 mm) Flashing Multicolor Black Opal Gemstone

    0.99 ct Fabulous Cabochon Cut (9 x 7 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.97 ct Cabochon (9 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.97 ct Pretty 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.88 ct Cabochon (8 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.88 ct Fabulous Cabochon Cut (8 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.07 ct Cabochon (10 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.07 ct Spectacular Cabochon Cut (10 x 6 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.11 ct Cabochon (10 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.11 ct Fantastic Cabochon Cut (10 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 0.79 ct Pretty Cabochon (8 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    0.79 ct Pretty Cabochon Cut (8 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 $28.38
    From United States
    Was: Previous priceAU $36.38
    Free postage
    or Best Offer
  • 1.38 ct Cabochon (10 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.38 ct Beautiful Cabochon Cut (10 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.33 ct Cabochon (10 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.33 ct Amazing Cabochon Cut (10 x 6 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.30 ct Cabochon (10 x 6 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.30 ct Impressive Cabochon Cut (10 x 6 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 2.05 ct AAA Exquisite Pear Cabochon (11 x 8 mm) Black Opal Loose Loose Gemstone

    2.05 ct AAA Exquisite Pear Cabochon Shape (11 x 8 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 $66.23
    From United States
    Was: Previous priceAU $84.91
    Free postage
    or Best Offer
  • 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 $105.13
    From United States
    Was: Previous priceAU $134.78
    Free postage
    or Best Offer
  • 1.98 ct AAA Splendid Pear Cabochon (11 x 9 mm) Black Opal Loose Loose Gemstone

    1.98 ct AAA Splendid Pear Cabochon Shape (11 x 9 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 $66.23
    From United States
    Was: Previous priceAU $84.91
    Free postage
    or Best Offer
  • 1.55 ct AAA Terrific Pear Cabochon (12 x 8 mm) Black Opal Loose Loose Gemstone

    1.55 ct AAA Terrific Pear Cabochon Shape (12 x 8 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 $66.23
    From United States
    Was: Previous priceAU $84.91
    Free postage
    or Best Offer
  • 1.50 ct AAA Marvelous Pear Cabochon (10 x 8 mm) Black Opal Loose Loose Gemstone

    1.50 ct AAA Marvelous Pear Cabochon Shape (10 x 8 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 $66.23
    From United States
    Was: Previous priceAU $84.91
    Free postage
    or Best Offer
  • 1.21 ct AAA Phenomenal Oval Cabochon (9 x 8 mm) Black Opal Loose 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. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $31.53
    From United States
    Was: Previous priceAU $40.43
    Free postage
    or Best Offer
  • 1.19 ct AAA Spectacular Oval Cabochon Shape (10 x 7mm) 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. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.99 ct AAA Excellent Oval Cabochon (14 x 8 mm) Black Opal Loose Loose Gemstone

    1.99 ct AAA Excellent Oval Cabochon Shape (14 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 $66.23
    From United States
    Was: Previous priceAU $84.91
    Free postage
    or Best Offer
  • 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 $66.23
    From United States
    Was: Previous priceAU $84.91
    Free postage
    or Best Offer
  • 2.59 ct AAA Tremendous Oval Cabochon Shape (12 x 9 mm) 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. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $85.15
    From United States
    Was: Previous priceAU $109.17
    Free postage
    or Best Offer
  • 2.55 ct AAA Stunning Oval Cabochon (12 x 9 mm) Black Opal Loose Loose Gemstone

    2.55 ct AAA Stunning Oval Cabochon Shape (12 x 9 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 $85.15
    From United States
    Was: Previous priceAU $109.17
    Free postage
    or Best Offer
  • 0.82 ct AAA Valuable Oval Cabochon (11 x 8 mm) Black Opal Loose Loose Gemstone

    0.82 ct AAA Valuable Oval Cabochon Shape (11 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.62 ct Cabochon (11 x 8 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.62 ct Awe-inspiring Cabochon Cut (11 x 8 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.34 ct Cabochon (10 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    1.34 ct Beautiful Cabochon Cut (10 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 0.84 ct AAA Wonderful Oval Cabochon (9 x 6 mm) Black Opal Loose Loose Gemstone

    0.84 ct AAA Wonderful Oval Cabochon Shape (9 x 6 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.03 ct AAA Marvelous Oval Cabochon (9 x 6 mm) Black Opal Loose Loose Gemstone

    1.03 ct AAA Marvelous Oval Cabochon Shape (9 x 6 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.91 ct Elegant Cabochon Cut (13 x 7 mm) Flashing Multicolor Black Opal Gemstone

    1.91 ct Elegant Cabochon Cut (13 x 7 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 0.96 ct AAA Awe-inspiring Pear Cabochon (9 x 6 mm) 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. The oldest known opal mine is in Czechoslovakia and dates to 14th century.
    AU $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.34 ct Cabochon (10 x 7 mm) Flashing Multicolor Black Opal Loose Gemstone

    Mined From Earth! Cabochon Black Color Natural Stone. Shape 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 1.33 ct Cabochon Cut (9x7 mm) Flashing 360 Degree Multicolor Black Opal Gemstone

    1.33 ct Fair Cabochon Cut (9 x 7 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
  • 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 $47.30
    From United States
    Was: Previous priceAU $60.65
    Free postage
    or Best Offer
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