Boulder Opal

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  1. NewSale 20.16 ct Magnificent fire Fancy Cabochon Shape (20 x 16 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    20.16 ct Magnificent fire Fancy Cabochon Shape (20 x 16 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  2. NewSale 16.04 ct Terrific Fancy Shape (28 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone
    16.04 ct Terrific Fancy Shape (28 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone
  3. NewSale 4.48 ct Superb Fancy Shape (15 x 9 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    4.48 ct Superb Fancy Shape (15 x 9 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  4. NewSale 54.60 ct Supreme Fancy Cabochon Shape (34 x 20 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    54.60 ct Supreme Fancy Cabochon Shape (34 x 20 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  5. NewSale 10.26 ct OUTSTANDING FANCY CABOCHON SHAPE AUSTRALIA RARE METALLIC BOULDER OPAL NATURAL GEMSTONE
    10.26 ct OUTSTANDING FANCY CABOCHON SHAPE AUSTRALIA RARE METALLIC BOULDER OPAL NATURAL GEMSTONE
  6. NewSale 63.07 ct Phenomenal Fancy Cabochon Shape (33 x 23 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    63.07 ct Phenomenal Fancy Cabochon Shape (33 x 23 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  7. NewSale 34.32 ct Lovely Fancy Cabochon Shape (35 x 15 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    34.32 ct Lovely Fancy Cabochon Shape (35 x 15 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  8. NewSale 29.86 ct Eye-opening Fancy Cabochon Shape (31 x 19 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
    29.86 ct Eye-opening Fancy Cabochon Shape (31 x 19 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone
  9. NewSale 6.61 ct World class Fancy Shape (21 x 11 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone
    6.61 ct World class Fancy Shape (21 x 11 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone
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