• 1.32 ct Pear Cabochon (10 x 9 mm) 360 Degree Flashing Multicolor Black Opal Gem

    1.32 ct Flashing Pear Cabochon Cut (10 x 9 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Pear Cabochon Black Color Natural Stone. Shape Pear Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $27.13
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 0.92 ct Amazing Oval Cabochon (9x6 mm) Flashing Multicolor Black Opal Gemstone

    0.92 ct Good-looking Oval Cabochon Cut (9 x 6 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $15.99
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.34 ct Flashing Oval Cabochon (9x7 mm) Flashing Multicolor Black Opal Gemstone

    1.34 ct Flashing Oval Cabochon Cut (9 x 7 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $27.82
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.26 ct Stunning Oval Cabochon (11x7 mm) Flashing Multicolor Black Opal Gemstone

    1.26 ct Stunning Oval Cabochon Cut (11 x 7 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $26.43
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.04 ct Excellent Oval Cabochon (9x7 mm) Flashing Multicolor Black Opal Gemstone

    1.04 ct Excellent Oval Cabochon Cut (9 x 7 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $18.78
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.12 ct Amazing Oval Cabochon (9x7 mm) Flashing Multicolor Black Opal Gemstone

    Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. 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 $22.95
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.36 ct Premium Oval Cabochon (10x7 mm) Flashing Multicolor Black Opal Gemstone

    1.36 ct Premium Oval Cabochon Cut (10 x 7 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $28.52
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.09 ct Oval Cabochon Cut (9 x 7 mm) Flashing Multicolor Black Opal Gemstone

    1.09 ct Lovely Oval Cabochon Cut (9 x 7 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $21.56
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.69 ct Flashing Oval Cabochon (11x7 mm) Flashing Multicolor Black Opal Gemstone

    1.69 ct Flashing Oval Cabochon Cut (11 x 7 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $31.30
    From United States
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.32 ct Pear Cabochon (10 x 9 mm) 360 Degree Flashing Multicolor Black Opal Gem

    1.32 ct Flashing Pear Cabochon Cut (10 x 9 mm) Flashing 360 Degree Multicolor Black Opal. Mined From Earth! Pear Cabochon Black Color Natural Stone. Shape Pear Cabochon. Black Opal. History - Opal is a semi-transparent solidified mineral composed of silicon and water.
    AU $26.99
    From United States
    Free postage
    Colour: Black
    or Best Offer
    Shape: Cabochon

948 items found from eBay international sellers

  • 2.00 Ct 100% Natural Solid Fire Opal Loose Gem AGSL Certified Ethiopian Rough

    (SHAPE: Cabochon. WEIGHT: 2.00 Ct. QUANTITY: 1 Piece. COLOR: Playing Color).
    AU $3.13
    3 bids
    Free postage
    Ending Wednesday at 15:40 AEDST1d 16hFrom IndiaShape: Cabochon
  • 5.70 cts 100% Natural Ethiopian Opal Gemstone #obx45

    5.70 cts 100% Natural Ethiopian Opal Gemstone Size: 14 X 11 X 8 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $9.73
    0 bids
    Free postage
    Ending Wednesday at 22:03 AEDST1d 23hFrom IndiaShape: Cabochon
  • 2.57 CT NATURAL FANCY CLR PLAY BLACK OPAL ETHIOPIA ROUND CABOCHON 9 mm.

    Color FANCY CLR PLAY. With the shades ranging from white to yellow to orange. The orange to red hue is more valuable. Fire Opal is an unusual variety of opal Like the familiar opal, the fire opal is hydrated silicon dioxide.
    AU $28.84
    From Thailand
    AU $13.90 postage
    Shape: Cabochon
    or Best Offer
  • 2.60 cts Natural Earth Mined Ethiopian Fire Opal 10 x 10 mm Gemstone #obx156

    2.60 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 10 X 10 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $1.74
    4 bids
    Free postage
    Ending Tuesday at 17:26 AEDST18h 33mFrom IndiaShape: Cabochon
  • 2.60 cts Natural Earth Mined Ethiopian Fire Opal 12 x 8 mm Gemstone #obx143

    2.60 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 12 X 8 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $2.17
    3 bids
    Free postage
    Ending 28 Jan at 10:46 AEDST6d 11hFrom IndiaShape: Cabochon
  • 2.87 cts Natural Earth Mined Ethiopian Fire Opal 12 x 12 mm Gemstone #obo850

    2.87 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 12 X 12 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $0.77
    3 bids
    Free postage
    Ending Tuesday at 16:54 AEDST18h 1mFrom IndiaShape: Cabochon
  • 1.66 ct AAA Astonishing Oval Cabochon Shape (11 x 8 mm) Black Opal Loose Stone

    Shape Oval Cabochon. 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 $13.90
    0 bids
    Free postage
    Ending 28 Jan at 9:44 AEDST6d 10h
    or Best Offer
    From United StatesShape: Cabochon
  • 6.80 cts 100% Natural Ethiopian Opal Gemstone #obx68

    6.80 cts 100% Natural Ethiopian Opal Gemstone Size:21 X 12 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $27.70
    From India
    Free postage
    Shape: Cabochon
  • 2.55 cts Natural Earth Mined Ethiopian Fire Opal 11 x 9 mm Gemstone #obo936

    2.55 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 11 X 9 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $0.01
    1 bid
    Free postage
    Ending 31 Jan at 15:49 AEDST9d 16hFrom IndiaShape: Cabochon
  • 2.94 CT NATURAL FANCY CLR PLAY BLACK OPAL ETHIOPIA PEAR CABOCHON 8 X 13 mm.

    Color FANCY CLR PLAY. With the shades ranging from white to yellow to orange. The orange to red hue is more valuable. Fire Opal is an unusual variety of opal Like the familiar opal, the fire opal is hydrated silicon dioxide.
    AU $32.99
    From Thailand
    AU $13.90 postage
    Shape: Cabochon
    or Best Offer
  • 5.50 cts Natural Earth Mined Ethiopian Fire Opal 17 x 10 mm Gemstone #obo598

    5.50 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 17 X 10 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $13.78
    0 bids
    Free postage
    Ending 30 Jan at 17:54 AEDST8d 19hFrom IndiaShape: Cabochon
  • 2.74 cts Natural Earth Mined Ethiopian Fire Opal 13 x 9 mm Gemstone #obx162

    2.74 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 13 X 9 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $13.78
    0 bids
    Free postage
    Ending Tuesday at 4:37 AEDST5h 44mFrom IndiaShape: Cabochon
  • 3.20 cts Natural Earth Mined Ethiopian Fire Opal 13 x 10 mm Gemstone #obx151

    3.20 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 13 X 10 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $13.78
    0 bids
    Free postage
    Ending 29 Jan at 19:47 AEDST7d 20hFrom IndiaShape: Cabochon
  • 2.36 ct WOW HUGE RARE BEST HARLEQUIN MULTI COLOR PLAY BLACK OPAL

    GEM TYPE: BLACK OPAL. Color may not appear as exactly in real life due to variation between computer monitors. The real gemstone is of course much smaller. Total weight and Stone size may slightly vary from piece to piece.
    AU $26.43
    0 bids
    AU $9.73 postage
    Ending 28 Jan at 15:10 AEDST6d 16hFrom ThailandShape: Cabochon
  • 1.17 ct BLACK WITH MULTICOLOR FIRE COLOR UNDER DIFFERENT LIGHT

    MULTI COLOUR. GEM TYPE: BLACK OPAL. The real gemstone is of course much smaller. Total weight and Stone size may slightly vary from piece to piece. Many inclusions shown are not visible to the naked eyes.
    AU $13.90
    0 bids
    AU $9.73 postage
    Ending 28 Jan at 13:20 AEDST6d 14hFrom ThailandShape: Cabochon
  • 3.68 cts Natural Earth Mined Ethiopian Fire Opal 20 x 8 mm Gemstone #obo644

    3.68 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 20 X 8 X 4 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $13.78
    1 bid
    Free postage
    Ending Friday at 7:46 AEDST3d 8hFrom IndiaShape: Cabochon
  • 8.60 cts Natural Earth Mined Ethiopian Fire Opal 17 x 13 mm Gemstone #obo557

    8.60 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 17 X 13 X 8 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $13.78
    From India
    Free postage
    Shape: Cabochon
  • 1.08 ct AAA Magnificent 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 $13.90
    0 bids
    Free postage
    Ending 28 Jan at 11:10 AEDST6d 12h
    or Best Offer
    From United StatesShape: Cabochon
  • 1.01 ct AAA Pleasant 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 $13.90
    0 bids
    Free postage
    Ending 28 Jan at 11:37 AEDST6d 12h
    or Best Offer
    From United StatesShape: Cabochon
  • 1 CT Natural Ethiopian Black Opal Trillion Amazing Cabochon Marvelous Gemstone

    We are very fair and easy to deal with.
    AU $8.34
    From India
    Free postage
    Shape: Cabochon
  • 2.94 cts Natural Earth Mined Ethiopian Fire Opal 14 x 10 mm Gemstone #obo935

    2.94 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 14 X 10 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $9.73
    0 bids
    Free postage
    Ending 31 Jan at 13:39 AEDST9d 14hFrom IndiaShape: Cabochon
  • 2.80 ct BLACK WITH MULTICOLOR FIRE COLOR UNDER DIFFERENT LIGHT

    MULTI COLOUR. GEM TYPE: BLACK OPAL. The real gemstone is of course much smaller. Total weight and Stone size may slightly vary from piece to piece. Many inclusions shown are not visible to the naked eyes.
    AU $19.47
    0 bids
    AU $9.73 postage
    Ending 28 Jan at 18:50 AEDST6d 19hFrom ThailandShape: Cabochon
  • 6x4mm Size 100%Natural Ethiopian Welo Fire Black Opal Cabochon's Play of Color

    Ethiopian Opal. Coral Fossil. Tiger's Eye. item cod [ opal]. Crazy Lace. Color may not appear exactly as in real life due to variation between computer monitor resolution and lights. (1) The photo gives a good representation of the Gemstone but does not represent the actual size & color.
    AU $5.44
    From India
    Free postage
    Shape: Cabochon
    or Best Offer
  • 6x4mm Size 100%Natural Ethiopian Welo Fire Black Opal Cabochon's Play of Color

    Ethiopian Opal. Coral Fossil. Tiger's Eye. item cod [ opal]. Crazy Lace. Color may not appear exactly as in real life due to variation between computer monitor resolution and lights. (1) The photo gives a good representation of the Gemstone but does not represent the actual size & color.
    AU $5.44
    From India
    Free postage
    Shape: Cabochon
    or Best Offer
  • 1.52 ct First-class Oval Cabochon Cut (8 x 7 mm) Flashing Multicolor Black Opal

    Mined From Earth! Oval Cabochon Black Color Natural Stone. Shape Oval Cabochon. 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 $13.90
    0 bids
    AU $7.64 postage
    Ending Saturday at 10:27 AEDST4d 11h
    or Best Offer
    From United StatesShape: Cabochon
  • A+++ 2.30Carat Natural Ethiopian Black Opal Welo Fire Opal Loose Cabochon 1173

    AU $13.90
    0 bids
    Free postage
    Ending Thursday at 16:08 AEDST2d 17hFrom IndiaShape: Cabochon
  • 2.40 cts Natural Earth Mined Ethiopian Fire Opal 13 x 9 mm Gemstone #obo654

    2.40 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 13 X 9 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $0.24
    2 bids
    Free postage
    Ending Friday at 1:33 AEDST3d 2hFrom IndiaShape: Cabochon
  • 0.92 ct Super-Excellent Cabochon Cut (9 x 6 mm) Flashing Multicolor Black Opal

    Mined From Earth! Cabochon Black Color Natural 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.
    AU $11.12
    0 bids
    AU $7.64 postage
    Ending Saturday at 12:54 AEDST4d 14h
    or Best Offer
    From United StatesShape: Cabochon
  • 4.25 cts Natural Earth Mined Ethiopian Fire Opal 14 x 9 mm Gemstone #obo801

    4.25 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 12 X 9 X 8 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $13.78
    0 bids
    Free postage
    Ending 27 Jan at 18:42 AEDST5d 19hFrom IndiaShape: Cabochon
  • 4.78 cts Natural Earth Mined Ethiopian Fire Opal 18 x 11 mm Gemstone #obo810

    4.78 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 18 X 11 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $13.78
    0 bids
    Free postage
    Ending 28 Jan at 10:46 AEDST6d 11hFrom IndiaShape: Cabochon
  • 3.85 cts Natural Earth Mined Ethiopian Fire Opal 12 x 10 mm Gemstone #obo933

    3.85 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 12 X 10 X 6 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $9.73
    0 bids
    Free postage
    Ending 31 Jan at 9:38 AEDST9d 10hFrom IndiaShape: Cabochon
  • 6x4x3mm Size 100%Natural Ethiopian Welo Fire Black Opal Cabochon's Play of Color

    Ethiopian Opal. Coral Fossil. Tiger's Eye. item cod [ opal]. Crazy Lace. Color may not appear exactly as in real life due to variation between computer monitor resolution and lights. (1) The photo gives a good representation of the Gemstone but does not represent the actual size & color.
    AU $5.55
    0 bids
    Free postage
    Ending 31 Jan at 16:27 AEDST9d 17hFrom IndiaShape: Cabochon
  • 2.28 ct WOW HUGE RARE NATURAL BEST HARLEQUIN MULTI COLOR PLAY BLACK OPAL

    GEM TYPE: BLACK OPAL. Color may not appear as exactly in real life due to variation between computer monitors. MULTI COLOUR. The real gemstone is of course much smaller. Total weight and Stone size may slightly vary from piece to piece.
    AU $25.04
    0 bids
    AU $9.73 postage
    Ending 28 Jan at 19:06 AEDST6d 20hFrom ThailandShape: Cabochon
  • 5.75 cts Natural Earth Mined Ethiopian Fire Opal 15 x 12 mm Gemstone #obx124

    5.75 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 15 X 12 X 6 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $27.70
    From India
    Free postage
    Shape: Cabochon
  • 3.10 cts Natural Earth Mined Ethiopian Fire Opal 11 x 9 mm Gemstone #obo909

    3.10 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 11 X 9 X 6 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $0.77
    5 bids
    Free postage
    Ending Wednesday at 8:09 AEDST1d 9hFrom IndiaShape: Cabochon
  • 4.65 cts Natural Earth Mined Ethiopian Fire Opal 16 x 10 mm Gemstone #obx129

    4.65 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 16 X 10 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $27.70
    From India
    Free postage
    Shape: Cabochon
  • 2.76 ct WOW HUGE RARE NATURAL BEST HARLEQUIN MULTI COLOR PLAY BLACK OPAL

    GEM TYPE: BLACK OPAL. Color may not appear as exactly in real life due to variation between computer monitors. MULTI COLOUR. The real gemstone is of course much smaller. Total weight and Stone size may slightly vary from piece to piece.
    AU $30.61
    0 bids
    AU $9.73 postage
    Ending 28 Jan at 16:37 AEDST6d 17hFrom ThailandShape: Cabochon
  • 3 cts Natural Earth Mined Ethiopian Fire Opal 13 x 9 mm Gemstone #obo818

    3 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 13 X 9 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $9.73
    0 bids
    Free postage
    Ending 31 Jan at 17:31 AEDST9d 18hFrom IndiaShape: Cabochon
  • 3.90 cts Natural Earth Mined Ethiopian Fire Opal 15 x 11 mm Gemstone #obo931

    3.90 cts Natural Ethiopian Fire Opal Gemstone Please note the full fire effect can be seen under power light or direct sunlight as flash has been used in the photos. Size: 15 X 11 X 5 mm approx Type: Natural Origin: Ethiopia Treatment: Enhanced.
    AU $9.73
    0 bids
    Free postage
    Ending 31 Jan at 6:04 AEDST9d 7hFrom IndiaShape: Cabochon
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