Untreated

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...

Pink sapphire or ruby (classification-dependent), 5.5 mm with nice even saturation.

Round ruby just under 1 carat, with intense colour and lovely cut.

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...

Deep rich dark blue round spinels, measuring between 4.5 to 5 mm.

Pink sapphire or ruby, emerald cut with a slightly subdued red colour and lovely character. Even tone throughout, weighing 0.79 carats.

Baguette step cut ruby, 0.81 carats, lovely red colour.

A beautiful, purple spinel with an indigo undertone, in an emerald cut. This stone weighs 1.18ct and is from an artisanal mine near to Mahenge in T...

Pretty yellow sapphires responsibly sourced from Sri Lanka.

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...

Group of untreated sapphires from Queensland, Australia. 4.5-4.7 mm. Mostly green tones, one deep blue-teal.

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

Responsibly sourced from Queensland, Australia, these untreated sapphires measure approximately 3.25 mm, are cut in a round brilliant style, and we...

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

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

Pair of untreated round sapphires from Queensland, Australia. Intense yellow with chartreuse undertones. 4.2mm each.

Two untreated hexagon-cut sapphires from Queensland, Australia. Just under one carat each. Bright yellow and blue colour combination. Buy separatel...

A substantial, pear shaped, Australian sapphire with a deep green colour.

A slightly elongated, green sapphire from Australia. Responsibly sourced and not treated in any way, this stone has a good colour and sparkle.