Untreated

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

Responsibly sourced from Queensland, Australia, these untreated sapphires measure approximately 2.75mm, are cut in a r...

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

Five stones that may be classified as either pink sapphires or rubies. Colourful shades from red to pink, similar in size ranging from 3.7 to 4.2 m...

A substantial, green sapphire from Australia with a natural (unheated) colour.

Pair of pinkish round rubies, both with plenty of sparkle. One is slightly better cut than the other. Each measures just over 4 mm in diameter.

Oval ruby with a pinkish colour. Approximately 5.4 × 4.9 mm, weighing just under 0.50 ct.

Small square octagonal-cut ruby with a vibrant, slightly purplish red colour. Just under 4 mm square.

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

Light pinkish ruby with plenty of sparkle and a slightly asymmetrical cut. Just under 5 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...

Round gemstone with a vivid, deep purplish colour and a lovely sparkle. The cut is slightly asymmetrical.

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.

Well-cut round ruby with a pinkish colour and plenty of sparkle. A pretty stone that would make a lovely engagement ring.

Round pinkish ruby with a slight orange tinge. Nicely cut with plenty of sparkle.

Round pinkish ruby with a less refined cut and one noticeable inclusion, but plenty of sparkle. Just under 5 mm.

Square octagonal-cut ruby with a beautiful deep, slightly purplish red colour. Just under 5 mm square, weighing 0.85 ct.

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

Square-cut ruby with a pinkish colour and sharp corners, weighing 1.10 ct. A fairly visible black inclusion and some other inclusions are reflected...

Round ruby with a distinctly pinkish colour and a slightly asymmetrical cut.

Very lively, sparkly round ruby with a pinkish colour. Just under 5 mm, weighing 0.54 ct.

Square octagonal-cut ruby with a vivid pinkish red colour and a slightly small table. Fairly well cut, with one slightly irregular corner.

Emerald-cut stone on the borderline between pink sapphire and ruby, with a distinctly pink colour and slightly darker ends. Measures just under 6 ×...

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.

Square octagonal-cut pinkish ruby with small inclusions at one corner. A lively stone with a lovely pinkish red colour.

Baguette-cut ruby with deeper, more vivid red colour at the ends and a lighter pink centre. Fairly well cut, though slightly asymmetrical, and quit...

Beautiful emerald-cut ruby with a strong colour and a good cut. Measures just under 6 × 4 mm.

Cushion-cut ruby with a very deep red colour. Approximately 6 × 4 mm, weighing 0.78 ct.

Square octagonal-cut ruby with a dark pink colour. Well cut and quite symmetrical, with excellent sparkle and a lively appearance.

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

Round ruby with an orangish pink colour. Approximately 4.8 mm, weighing 0.48 ct.

Emerald-cut ruby with a paler centre and stronger colour at each end. A pretty stone that appears fairly clean.

Untreated sapphire from Queensland, Australia, weighing 0.81 carats. It has a soft pastel yellow with delicate blue tinting at the corners, giving ...

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