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  1. NewSale 10.74 ct Very good Marquise Cabochon (21 x 10 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone
    10.74 ct Very good Marquise Cabochon (21 x 10 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone
  2. NewSale 3.76 ct Valuable Marquise Cabochon Cut (18 x 9 mm) Ethiopia Play of Colors Black Opal Natural Gemstone
    3.76 ct Valuable Marquise Cabochon Cut (18 x 9 mm) Ethiopia Play of Colors Black Opal Natural Gemstone
  3. NewSale 1.25 ct  Elegant Marquise Cabochon Shape (14 x 6 mm) Pink Opal Natural Gemstone
    1.25 ct Elegant Marquise Cabochon Shape (14 x 6 mm) Pink Opal Natural Gemstone
  4. NewSale 6.44 ct Eye-opening Marquise Cabochon Cut (19 x 11 mm) Ethiopia Play of Colors Rainbow Opal Natural Gemstone
    6.44 ct Eye-opening Marquise Cabochon Cut (19 x 11 mm) Ethiopia Play of Colors Rainbow Opal Natural Gemstone
  5. NewSale 4.85 ct Phenomenal Marquise Cabochon Cut (22 x 10 mm) Ethiopia Play of Colors Black Opal Natural Gemstone
    4.85 ct Phenomenal Marquise Cabochon Cut (22 x 10 mm) Ethiopia Play of Colors Black Opal Natural Gemstone
  6. NewSale 4.62 ct Splendid Marquise Cabochon (16 x 9 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone
    4.62 ct Splendid Marquise Cabochon (16 x 9 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone
  7. NewSale 20.08 ct Gorgeous Marquise Cabochon (29 x 12 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone
    20.08 ct Gorgeous Marquise Cabochon (29 x 12 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone
  8. Sale 1.25 ct Extraordinary AAA Marquise Cabochon Shape (12 x 6 mm) Multi Color Black Opal Natural Loose Stone
    1.25 ct Extraordinary AAA Marquise Cabochon Shape (12 x 6 mm) Multi Color Black Opal Natural Loose Stone
  9. Sale 7.02 ct Topnotch Marquise Cabochon (17 x 10 mm) Ethiopian 360 Degree Flashing Rainbow Opal Natural Gemstone
    7.02 ct Topnotch Marquise Cabochon (17 x 10 mm) Ethiopian 360 Degree Flashing Rainbow Opal Natural Gemstone
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