Untreated

An elegant elongated octagonal blue sapphire from Sri Lanka. This untreated gem measures 8.8 x 4.9 mm and displays a vivid blue tone. A small surfa...

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.

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

Deep green-blue baguette sapphire from Queensland, Australia.

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