Results in Natural Loose Black Opals

1-25 of 639

  • 1.01ct Black Opal Cabochon 8.25x6.12mm Natural loose gemstone

    1.01ct Black Opal Cabochon 8.25x6.12mm Natural loose gemstone

    A Black Opal weighing 1.01 carats. Photos are taken using a penlight and demonstrate the full spectrum of colours this gem can display. As with most black opals it has most likely been smoked to improve the colour.
    £21.95
    eBay Premium Service
    Available for Best Offeror Best Offer
    Estimated delivery dateEst. delivery Thu, Dec 8
    FAST & FREE
  • Black Opal Doublet, Multi Coloured, Solid, Fancy Cab Cabochon, 13.76 Ct.

    Black Opal Doublet, Multi Coloured, Solid, Fancy Cab Cabochon, 13.76 Ct.

    £24.99
    Available for Best Offeror Best Offer
    £1.99 postage
  •   Natural** Semi Black Opal **   19x10 mm Diamond  3ct

    Natural** Semi Black Opal ** 19x10 mm Diamond 3ct

    Can be grey, blue, black or any dark colour. Semi Black Opal. size 19x10 mm diamond. black opal is when the body colour is anything but white. body colour dark grey. you should see the lighting setup that opal dealers use so.
    £48.00
    0 bids
    £6.75 postage
    Ending Thursday at 6:57PM GMT
  • 3 Pack of Black Opal Nobbies, Lightning Ridge, 163ct (Item Code 7060)

    3 Pack of Black Opal Nobbies, Lightning Ridge, 163ct (Item Code 7060)

    Black opal is by far the most valuable and appreciated of all opal varieties, especially those from Australia's famous Lightning Ridge. Three bags of tumble polished Black Opal "nobbies" (potch with colour) from Lightning Ridge mining area, NSW, Australia.
    £20.00
    Free P&P
  • Gorgeous Solid Australian Lightning Ridge Black Opal

    Gorgeous Solid Australian Lightning Ridge Black Opal

    Beautiful black opal from Lightning Ridge. Ready to be made into a beautiful ring, set in a pendant or just admired in your collection. Dazzling play of colour, predominantly greens with some red, yellow and blue.
    £229.99
    Available for Best Offeror Best Offer
    Free P&P
  • OPAL [BLACK] WITH OPALESCENT COLOUR PLAY NATURAL MINED 2.78Ct MF5035

    OPAL [BLACK] WITH OPALESCENT COLOUR PLAY NATURAL MINED 2.78Ct MF5035

    DARK OPALESCENT COLOUR PLAY. NATURAL MINED UNTREATED SPECIMEN. STONE : OPAL. INCLUDES MY MINERAL COLLECTION IDENTIFICATION DOCKET MF5035.
    £45.00
    Click & Collect
    FAST & FREE
  • Black Opal Rub, Blue, 170cts!

    Black Opal Rub, Blue, 170cts!

    This is a rare Lightning ridge Black Opal Rub, showing amazing deep Blue/purple color. Lightning ridge Black Opal (Australia). Precious Opal. A few sand spots & grazes, but natural and common for an opal of this size.
    £1,600.00
    Available for Best Offeror Best Offer
    FAST & FREE
  • Black Opal Natural Australia 2.80 carat Transparent

    Black Opal Natural Australia 2.80 carat Transparent

    3 Stunning Black opals from Australia, Transparent with color showing all the way through, Beautiful Blues and Greens.
    £150.00
    0 bids
    Free P&P
    Ending Thursday at 10:20AM GMT
  • Massive Black Matrix Fairy Opal Gemstone Cabochon Freeform Australian Opal 80cts

    Massive Black Matrix Fairy Opal Gemstone Cabochon Freeform Australian Opal 80cts

    1 Rectangular black matrix Australian Opal cabochon- great pin fire flash-pictures do not do this justice-will try again! Beautiful Gemstone Cabochons.
    £110.00
    Click & Collect
    £1.20 postage
  • 3 Pack of Black Opal Nobbies, Lightning Ridge, 163ct (Item Code 7059)

    3 Pack of Black Opal Nobbies, Lightning Ridge, 163ct (Item Code 7059)

    Black opal is by far the most valuable and appreciated of all opal varieties, especially those from Australia's famous Lightning Ridge. Three bags of tumble polished Black Opal "nobbies" (potch with colour) from Lightning Ridge mining area, NSW, Australia.
    £20.00
    Free P&P
  •   Natural** Semi Black Opal **  Freeform 18x14 mm  ish 7.5 carat , a nice gem

    Natural** Semi Black Opal ** Freeform 18x14 mm ish 7.5 carat , a nice gem

    Can be grey, blue, black or any dark colour. Semi Black Opal. size 18 x14 mm ish freeform. black opal is when the body colour is anything but white. i would buy lots of freeform opal because you could make individual mounts or re cut them for repairs or to a better size.
    £150.00
    0 bids
    £6.80 postage
    Ending Friday at 6:53PM GMT
  • 100g bag of Black Opal Nobbies, Tumble Polish

    100g bag of Black Opal Nobbies, Tumble Polish

    Black opal is by far the most valuable and appreciated of all opal varieties, especially those from Australia's famous Lightning Ridge. 100g tumbled Black Opal "Nobbies" (stones) from Lightning Ridge mine, NSW, Australia.
    £15.50
    Free P&P
  • Certified 3.40 Carat Pear Cabochon Cut Natural Black Opal!!

    Certified 3.40 Carat Pear Cabochon Cut Natural Black Opal!!

    3.40 Carat Pear Cabochon Cut Black Opal. CHECK OUT OUR OTHER GREAT DEALS.
    £69.75
    FAST & FREE
  • Lightning Ridge black opals Natural Australia Loose Stones

    Lightning Ridge black opals Natural Australia Loose Stones

    £120.00
    0 bids
    Free P&P
    Ending Thursday at 10:28AM GMT
  • #10 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 15x4mm

    #10 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 15x4mm

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £36.95
    From Australia
    Was: Previous price£41.06
    Available for Best Offeror Best Offer
    £3.46 postage
  • 0.715CT MUSEUM GRADE RAINBOW SPARKLES IN BLOCKS! SOLID WELO BLACK OPAL SEE VIDEO

    0.715CT MUSEUM GRADE RAINBOW SPARKLES IN BLOCKS! SOLID WELO BLACK OPAL SEE VIDEO

    All my Gemstone are from 100% Natural mine, Not Lab Created or Hydrothermal Quartz. Double your traffic. Black Opal. Feed Back. All our stone are 100% top quality opal. Do not waste time and money buying low quality gemstone with no collection.
    £2.99
    0 bids
    £5.00 postage
    Ending Today at 12:04PM GMT
    From Thailand
  • 1.22CTS NATURAL AUSTRALIAN BLACK OPAL SOLID FIREPLAY GEMSTONE OVAL CABOCHON

    1.22CTS NATURAL AUSTRALIAN BLACK OPAL SOLID FIREPLAY GEMSTONE OVAL CABOCHON

    Product Name Australian Opal. Shape Oval Cabochon. Colour Black (Multi-Color). Treatment Natural. Actual stone Color may look slightly different due to the differance. We are the Miners for Our Stone.
    £95.40
    From Thailand
    Was: Previous price£159.00
    Available for Best Offeror Best Offer
    Free P&P
  • 250g bag of Black Opal Nobbies, Tumble Polish

    250g bag of Black Opal Nobbies, Tumble Polish

    Black opal is by far the most valuable and appreciated of all opal varieties, especially those from Australia's famous Lightning Ridge. 250g tumbled Black Opal "Nobbies" (stones) from Lightning Ridge mine, NSW, Australia.
    £24.30
    Free P&P
  • Black Opal Gem Natural Certified Untreated Ethiopian Welo Opal Loose Gemstone

    Black Opal Gem Natural Certified Untreated Ethiopian Welo Opal Loose Gemstone

    Natural Certified Ethiopian Black Opal. Color:Black Body with Full Multi-Color Fire. A Ultra Rare 10.68 ct Museum Grade Solid Tsehay Mewcha Ethiopian Black Opal. Loose Gemstone Is The Most Desired And Beautiful Form Of Opal And The Most Valuable.
    £6,500.00
    From South Africa
    Available for Best Offeror Best Offer
    Free P&P
  • Black an white honduran opal 0.71ct really nice stone

    Black an white honduran opal 0.71ct really nice stone

    Great black white honduran opal 0.71ct from tablon mine full of colour ready to set make a nice ring or necklace any questions please ask 
    £35.00
    Estimated delivery dateEst. delivery Thu, Dec 8
    Available for Best Offeror Best Offer
    FAST & FREE
  • 0.91CTS NATURAL WELO ETHIOPIAN BLACK OPAL SOLID FIRE PLAY GEMSTONE OVAL CABOCHON

    0.91CTS NATURAL WELO ETHIOPIAN BLACK OPAL SOLID FIRE PLAY GEMSTONE OVAL CABOCHON

    Product Name Black Opal. Shape Oval Cabochon. Colour Black. Treatment Natural (Smoked). Actual stone Color may look slightly different due to the difference. in monitor calibration. We use webgistic for the United States.
    £16.99
    0 bids
    Free P&P
    Ending Thursday at 6:05AM GMT
    From Thailand
  • Australian Lightning Ridge Rough Black Opal 1 oz of Potch & Colour

    Australian Lightning Ridge Rough Black Opal 1 oz of Potch & Colour

    Australian Lightning Ridge Rough Black and Crystal/White Opal 1 oz - 142 cts of Potch & Color. Material suitable for cutting and polishing stones or even some specimens.
    £14.67
    From Australia
    £12.91 postage
  • 0.700CT NR MUSEUM GRADE EXTREME DAZZLER TSEHAY HONEY WELO BLACK OPAL SEE VIDEO

    0.700CT NR MUSEUM GRADE EXTREME DAZZLER TSEHAY HONEY WELO BLACK OPAL SEE VIDEO

    All my Gemstone are from 100% Natural mine, Not Lab Created or Hydrothermal Quartz. Double your traffic. Black Opal. Feed Back. All our stone are 100% top quality opal. Do not waste time and money buying low quality gemstone with no collection.
    £3.99
    0 bids
    £5.00 postage
    Ending Today at 11:49AM GMT
    From Thailand
  • #14 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 13x4mm

    #14 Australian Natural Solid Black Opal Stone For Pendant Ring Earring 13x4mm

    Black opal is the most valuable type of opal and it is predominantly found in Lightning Ridge. It is called black opal due to the dark body tone of the gem. This dark body tone appears because the natural backing or tint of the stone is dark grey or black common potch (opal without colour).
    £36.95
    From Australia
    Was: Previous price£41.06
    Available for Best Offeror Best Offer
    £3.46 postage
    11 watching11 watching
  • 1.18CTS NATURAL WELO ETHIOPIAN BLACK OPAL SOLID FIREPLAY OVAL CABOCHON GEMSTONE

    1.18CTS NATURAL WELO ETHIOPIAN BLACK OPAL SOLID FIREPLAY OVAL CABOCHON GEMSTONE

    Product Name Black Opal. Shape Oval Cabochon. Colour Black. Treatment Natural (Smoked). Actual stone Color may look slightly different due to the difference. We are the Miners for Our Stone. So Our Prices are sure to be the best deals.
    £16.99
    0 bids
    Free P&P
    Ending Thursday at 3:55AM GMT
    From Thailand

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