October

The birthstones for those born in October are Opal and Tourmaline.

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23 items filtered by: 2.00-2.99ct ×
2.74ct TW Baguette Cut Tourmaline Parcel
This parcel natural unheated tourmaline is beautiful mix of blue, teal and green stones. They are all eye clean and roughly similar size and shape, though the blue and green have pavilions with a longer keel than the teal stone....
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2.86ct Free-Form Australian Black Opal Sold out
This amazing black opal from Lightning Ridge, Australia is a truly eye-catching stone. With incredibly strong fire running perfectly along the peak of the stone, the piece almost looks as if it is being illuminated from inside the stone. Not...
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 2.80ct 12x9mm Oval Cabochon Ethiopian Opal 6% off
Ethiopian opal is a relatively new contender on the opal market, however it is capable of producing material with exceptional play of colour and top quality "crystal" opal. With a lovely warm body color this stone shows large bright green...
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2.90ct Black Opal Pear Shape
2.90ct pear-shaped iridescent black opal. Stone Type Opal - Black Cut Pear Shape Weight 2.90ct  Dimensions Approx. 14.3x9.8mm 3.3mm deep Colour Multicolour Clarity NA Treatment None Origin Australia, Responsible Sourcing Reference  LG700153 Notes *Please note that this stone has been photographed to...
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2.66ct Pear-shaped Semi Black Opal
Iridescent 2.66ct semi-black opal in pear shape. Stone Type Opal - Black Cut Pear Cut Weight 2.66ct  Dimensions Approx. 18x10mm 2.7mm deep Colour Multicolour Clarity NA Treatment None Origin Australia, Responsible Sourcing Reference  LG700155 Notes *Please note that this stone has...
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2.49ct Free-form Opalized Wood/Pipe Opal
2.49ct Free-form Opalized Wood/Pipe Opal. Stone Type Opal - Opalized Wood/Pipe Cut Free-form Weight 2.49ct  Dimensions Approx. 10.8x8.7mm 3.6mm deep Colour Multicolour Clarity NA Treatment None Origin QLD, Australia, Responsible Sourcing Reference  LG700175 Notes *Please note that this stone has been...
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2.55ct Black Opal Oval Cut
2.55ct Black Opal Oval Cut. Stone Type Opal - Black Cut Oval Weight 2.55ct  Dimensions Approx. 17.7x10.5mm 3.5mm deep Colour Multicolour Clarity NA Treatment None Origin SA, Australia, Responsible Sourcing Reference  LG700181 Notes *Please note that this stone has been photographed to...
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2.80ct Opalized Wood/Pipe Opal Rectangular Cut
2.80ct Pipe Opal Rectangular Cut. Stone Type Opal - Pipe Cut Rectangular Weight 2.80ct  Dimensions Approx. 10.50x8.40mm 3.50mm deep Colour Multicolour Clarity NA Treatment None Origin QLD, Australia, Responsible Sourcing Reference  LG700184 Notes *Please note that this stone has been...
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2.93ct Opal Triangular Cut
2.93ct Opal Triangular Cut. Stone Type Opal Cut Triangular Weight 2.93ct  Dimensions Approx. 12.00x11.50mm 3.45mm deep Colour Multicolour Clarity NA Treatment None Origin NSW, Australia, Responsible Sourcing Reference  LG700185 Notes *Please note that this stone has been photographed to our best...
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2.94ct Black Opal Oval Cut
2.94ct Black Opal Oval Cut. Stone Type Opal - Black Cut Oval Weight 2.94ct  Dimensions Approx. 17x7mm 3mm deep Colour Multicolour Clarity NA Treatment None Origin Australia, Responsible Sourcing Reference  LG700192 Notes *Please note that this stone has been photographed to our...
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2.13ct Opal Oval Cut
2.13ct Opal Oval Cut. Stone Type Opal Cut Oval Cut Weight 2.13ct  Dimensions Approx. 12.4x10.3mm 2.6mm deep Colour Multicolour Clarity NA Treatment None Origin Australia, Responsible Sourcing Reference  LG700203 Notes *Please note that this stone has been photographed to our best...
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2.74ct Opal Hexagon
2.74ct Opal Hexagon. Stone Type Opal Cut Shield Cut Weight 2.74ct  Dimensions Approx. 14.2x12.7mm 2.5mm deep Colour Multicolour Clarity NA Treatment None Origin SA, Australia, Responsible Sourcing Reference  LG700204 Notes *Please note that this stone has been photographed to our best...
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2.15ct Freeform Opal Cabochon
2.15ct Freeform Opal Cabochon. Stone Type Opal Cut Freeform Cabochon Weight 2.15ct  Dimensions Approx. 11x8.8mm 4mm deep Colour Multicolour Clarity NA Treatment None Origin SA, Australia, Responsible Sourcing Reference  LG700206 Notes *Please note that this stone has been photographed to our...
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2.80ct Oval Opalized Wood/Pipe Opal
2.80ct Boulder Opal Oval Cut Stone Type Opal - Boulder Cut Oval Weight 2.80ct  Dimensions Approx. 15.5x6.7mm 3.8mm deep Colour Multicolour Clarity NA Treatment None Origin Australia, Responsible Sourcing Reference  LG700217 Notes *Please note that this stone has been photographed to...
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2.76ct Opal Oval Cut
2.76ct Opal Oval Cut. Stone Type Opal Cut Oval Cut Weight 2.76ct  Dimensions Approx. 13.3x9mm 3.6mm deep Colour Multicolour Clarity NA Treatment None Origin NSW, Australia, Responsible Sourcing Reference  LG700225 Notes *Please note that this stone has been photographed to our...
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2.02ct Semi-Black Opal Oval Cut
2.02ct Semi-Black Opal Oval Cut. Stone Type Opal - Semi-Black Opal Cut Oval Cut Weight 2.02ct  Dimensions Approx. 10.5x7.5mm 4mm deep Colour Multicolour Clarity NA Treatment None Origin QLD, Australia, Responsible Sourcing Reference  LG700236 Notes *Please note that this stone has...
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2.64ct Round Cut Opal
2.64ct Round Cut Faceted Opal From Opalton, QLD, Australia. Stone Type Opal Cut Round Cut Weight 2.64ct  Dimensions  Approx. 10.4mm Diameter 6.35mm deep Colour Multicolour Clarity NA, minor polishing lines. Treatment None Origin QLD, Australia, Responsible Sourcing Reference  LG700252 Notes...
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2ct Round Cut Crystal Opal
2ct Round Cut Crystal Opal. Stone Type Opal - Crystal Opal Cut Round Cut Weight 2ct  Dimensions  Approx. 8.8mm Diameter 6.4mm deep Colour PaleYellow Clarity NA, minor polishing lines. Treatment None Origin Australia, Responsible Sourcing Reference  LG700253 Notes *Please note...
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2.64ct Odd-Shaped Opal
2.64ct Shield Cut Faceted Australian Opal Stone Type Opal Cut Shield Cut Weight 2.64ct  Dimensions  Approx. 11x9.6 mm 6.5mm Deep Colour Multi-colour Clarity NA Treatment None Origin QLD, Australia, Responsible Sourcing Reference  LG700255 Notes *Please note that this stone has been...
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2.89ct Freeform Semi-Black Opal
2.89ct Freeform Semi-Black Opal. Stone Type Opal - Semi-Black Opal Cut Freeform Weight 2.89ct  Dimensions  Approx. 10.4x10 mm 3.8mm Deep Colour Multi-colour Clarity NA Treatment None Origin Australia, Responsible Sourcing Reference  LG700263 Notes *Please note that this stone has been photographed to our best...
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2.55ct Freeform White Opal Cabochon
2.55ct Freeform White Opal Cabochon. Stone Type Opal - White Cut Freeform Cabochon Weight 2.55ct  Dimensions  Approx. 12.5x12 mm 2.75mm Deep Colour Multi-colour Clarity NA Treatment None Origin Australia, Responsible Sourcing Reference  LG700268 Notes *Please note that this stone has been photographed to our...
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2.76ct Triangular Opal Cabochon
2.76ct Triangular Opal Cabochon. Stone Type Opal Cut Triangular, Cabochon Weight 2.76ct  Dimensions  Approx. 14x10.35 mm 3.7mm Deep Colour Multi-colour Clarity NA Treatment None Origin SA, Australia, Responsible Sourcing Reference  LG700276 Notes *Please note that this stone has been photographed to our best...
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