Untreated

Untreated blue and yellow flat-back sapphire from Queensland, Australia. Oval cut and weighing 1.48 carats, this gemstone measures 9.5 x 7.2 mm and...

Untreated blue-green sapphires from Queensland, Australia. These square-cut gemstone weigh approx 0.34 carats and displays the sought-after mix of ...

Untreated green and yellow sapphire from Queensland, Australia. This oval-cut gemstone weighs 1.45 carats and measures just under 8 mm in length, s...

Responsibly sourced from Queensland, Australia, these untreated sapphires measure approximately 2.75 mm, are cut in a ...

Stunning cushion cut, deep blue, untreated sapphire, which was responsibly sourced from an artisanal mine near Ellawela, Sri Lanka.

Sold as a pair.