Corundum

A responsibly sourced bi-colour sapphire from an artisanal mine in Queensland, Australia. 

A responsibly sourced parti sapphire from an artisanal mine in Queensland, Australia.

A pear shaped sapphire from Australia. Asymmetrical cut with some blue colouration.

An unheated, Australian sapphire, cut into a pretty pear shape. This responsibly sourced gemstone has plenty of sparkle and a lovely colour.

This Australian sapphire is mostly a medium green colour, but also has flashes of yellow when viewed from certain angles.

A mighty, 1.8ct sapphire from Queensland, Australia. This is a gemstone to make an impression. Responsibly sourced and not treated in any way.

A very cool, Australian sapphire, showing flashes of blue, green and yellow. This fabulous gemstone would make an exceptional engagement ring.

A responsibly sourced parti sapphire from an artisanal mine in Queensland, Australia. The stone has a subtle colour combination of blue and yellow.

A gorgeous, green sapphire with flashes of blue and a fine sparkle. This stone is one of the best of our Australian stock and has not been treated ...

A big and beautiful sapphire from Australia, with a uniform, deep green colour throughout.

This trilliant sapphire from Queensland, Australia has an unusual colour and a cheeky sparkle.

This responsibly sourced sapphire comes from an artisanal mine in Queensland, Australia. It has a fabulous, autumnal colour.

A fabulous Australian parti sapphire showing very clear areas of blue and yellow colouration. This is an unheated stone.

This lovely sapphire from Australia has a very desirable green and teal colour. The stone has not been treated in any way.

A responsibly sourced, fancy cut sapphire from an artisanal mine in Queensland, Australia. The stone shows different shades of green when viewed fr...

An unheated, Australian sapphire, in a marquise cut. This responsibly sourced gemstone is a dark teal colour.

A nicely cut, unheated, triangular sapphire from Australia.

Untreated sapphire from Queensland, Australia. Princess cut, 4.7 mm, with a gorgeous deep olive-green tone.

Untreated sapphire from Queensland, Australia. Princess cut, 4.7 mm, in rich green with teal flashes.

4 mm Princess-cut sapphire. A beautiful sea blue, untreated from Queensland, Australia.

Untreated sapphire in a long cushion cut. Lovely layered greens and dark green shades that shift with movement. Queensland, Australia origin.

Untreated sapphire from Queensland, Australia. Princess cut, 3.75 mm, with green and teal parti colouring.

Selection of untreated Princess-cut sapphires from Queensland, Australia. Each approx. 2.5 mm. Colours range from light green to teal to deep blue.

A very cool, fancy cut sapphire slice from a mine in Queensland, Australia. This piece has some clear, angular colour banding, beautifully highligh...

This gemstone has a slightly elongated, emerald cut with a fairly uniform, deep green colour. The stone comes from an artisanal mine in Australia a...

A gorgeous, green sapphire from Australia, that shows flashes of yellow. This gem would make a fabulous central stone in any ring.

A small, Australian sapphire, responsibly sourced from an artisanal mine in Queensland. At just over half a carat, this is a very pretty and afford...

A spectacular, oval, green sapphire from Australia. This awesome stone deserves a stunning design to show it off.

A responsibly sourced, dark blue sapphire from an artisanal mine in Queensland, Australia. The cut is slightly asymmetrical.

Lovely large pale blue-lilac round sapphire.

A selection of pastel round sapphires from Pelmadulla, Sri Lanka