Untreated

An unheated, Sri Lankan, purple sapphire, responsibly sourced from an artisanal gem mine near Pelmadulla in the main gem mining region around the c...

An almost 6-carat oval peridot with a powerful, intense green. Rich saturation.

Colour-change alexandrite with a beautiful green in artificial light, shifting to purple in daylight. Good size and a perfect conversation-starting...

A great selection of oval sapphires measuring approx 5x3mm. Choose from yellow, blue, green or teal.

A beautiful, purple spinel from Tanzania. This stone has a great sparkle and a lovely colour. It was sourced from a community-run mine near Mahenge...

A medium blue, oval sapphire from an artisanal mine in Pohorabawa, Sri Lanka. This stone has quite a few inclusions and some colour zoning, which h...

A gorgeous oval spinel in rich raspberry tones with an even, well-balanced colour.Measuring approximately 8.2 x 6.2mm.

A pretty pink spinel from the Rubyfair project with an interesting orange-hued inclusion.Measuring approximately 7.3 x 5.3mm and weighing just over...

One available

At over 5 carats, this oval green sapphire from an artisanal mine in the Tanga region of north-eastern Tanzania is both big and beautiful. This out...

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

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

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...

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