Corundum

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...

Lovely large pale blue-lilac round sapphire.

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

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...

Just under 1.5 carats, this untreated pastel yellow sapphire has a near-radiant cut and an unusually faceted back that creates a dazzling, kaleidos...

Oval ruby with intense red colour, just over 1.5 carats

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

A bright pink sapphire with a nice square-cushion shape.

Blue pear cut sapphire from Sri Lanka.

Untreated green sapphire from Queensland, Australia. Cut into a pear shape and weighing 1.41 carats, this gemstone measures 8.7 x 6 mm and displays...