All

A cool, green untreated sapphire from Tanga in Tanzania, sourced from an artisanal mine and cut in Sri Lanka.

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

Between 6 - 6.4mm

Stunning, untreated pear-shaped sapphire from Queensland, Australia. Half a carat. Teal blue with lime green flashes.

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

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

Brilliant-cut, untreated sapphire in a pale apricot tone with warm sparkle. Weighs 1.34 carats and has a lovely "glow".

Bright oval sapphires, each measuring approximately 6 x 4.5mm.

Emerald-cut ruby with a lovely purplish colour and some small inclusions. Approximately 6 × 4 mm, weighing 0.60 ct.

Baguette-cut ruby with an orangish red colour. Quite a clean stone, with lovely flashes of orange and slightly darker red at each end. Weighs 0.77 ct.

Oval ruby with a deep pinkish colour, a reasonably good cut and a lively appearance.

Oval ruby with a well-saturated pinkish red colour. Fairly clean, with some sparkle as it moves, though less lively overall. Approximately 6 × 4.6 mm.

Emerald-cut ruby with a fairly even red colour, slightly darker at the ends than in the centre. Some small inclusions are visible, but overall a pr...

Oval ruby with a slightly uneven cut, a fairly deep red colour and pink flashes.

Responsibly sourced blue, green, teal and chartreuses sapphires from Queensland, Australia. Untreated and cut into an oval shape, these gemstones w...

An unusual triangular sapphire from Queensland, Australia with striking green colour zoning.This untreated stone measures approximately 6.5mm and d...