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  1. NewSale 20.14 ct Elegant Fancy Cabochon Shape (26 x 13 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    20.14 ct Elegant Fancy Cabochon Shape (26 x 13 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  2. NewSale 4.54 ct Exquisite Fancy Cabochon Shape (14 x 10 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    4.54 ct Exquisite Fancy Cabochon Shape (14 x 10 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  3. NewSale 15.31 ct First-class Fancy Shape (21 x 16 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    15.31 ct First-class Fancy Shape (21 x 16 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  4. NewSale 28.08 ct Superb Fancy Cabochon Shape (31 x 19 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    28.08 ct Superb Fancy Cabochon Shape (31 x 19 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  5. NewSale 7.03 ct Fabulous Fancy Cabochon Shape (17 x 10 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    7.03 ct Fabulous Fancy Cabochon Shape (17 x 10 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  6. NewSale 24.86 ct Awe-inspiring Fancy Shape (32 x 18 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    24.86 ct Awe-inspiring Fancy Shape (32 x 18 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  7. NewSale 1.43 ct Extraordinary Oval (11 x 8 mm) Un-Heated Ethiopia Rainbow Opal Loose Gemstone
    1.43 ct Extraordinary Oval (11 x 8 mm) Un-Heated Ethiopia Rainbow Opal Loose Gemstone
  8. NewSale 1.95 ct Spectacular Oval Cabochon Cut (12 x 9 mm) Flashing 360 Degree Multicolor Rainbow Opal
    1.95 ct Spectacular Oval Cabochon Cut (12 x 9 mm) Flashing 360 Degree Multicolor Rainbow Opal
  9. NewSale 1.32 ct Superior Round (8 x 8 mm) Un-Heated Ethiopia Rainbow Opal Loose Gemstone
    1.32 ct Superior Round (8 x 8 mm) Un-Heated Ethiopia Rainbow Opal Loose Gemstone
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