Untreated

Responsibly sourced from Queensland, Australia, these untreated sapphires measure approximately 3.25 mm, are cut in a round brilliant style, and we...

A beautiful trillion cut sapphire from Queensland, Australia in green to slightly teal shades.This untreated stone has a fresh, vibrant colour pale...

Radiant-cut untreated sapphire from Queensland, Australia. Predominantly yellow-chartreuse with beautiful blue colour zoning.

Untreated green sapphire from Queensland, Australia. An elegant oval weighing 0.90 carats and measuring just over 7 mm, ideal for jewellery makers ...

Pair of untreated round sapphires from Queensland, Australia. Intense yellow with chartreuse undertones. 4.2 mm each.

Two untreated hexagon-cut sapphires from Queensland, Australia. Just under one carat each. Bright yellow and blue colour combination. Buy separatel...

Responsibly sourced blue, green, teal and chartreuses sapphire from Queensland, Australia. Untreated and cut into an oval shape, this gemstone weig...

Untreated green sapphire from Queensland, Australia, featuring an unusual trillion cut. At 1.20 carats and just over 6 mm across, this distinctive ...

Responsibly sourced yellow and gold sapphire from Queensland, Australia. Untreated and cut into an oval shape, this gemstone weighs 1.10 carats and...

Responsibly sourced green and teal sapphire from Queensland, Australia. This untreated oval-cut gemstone weighs 0.83 carats and measures 6.6 x 4.75...

Blue and green princess-cut sapphire responsibly sourced from Queensland, Australia. Untreated and weighing 0.15 carats, this gemstone showcases th...

Deep green-blue baguette sapphire from Queensland, Australia.

Untreated blue/teal/green sapphire from Queensland, Australia. Square cut and weighing approx 0.57 carats. More than one available.

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.