Untreated

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...

One available

A lovely delicate apricot coloured cushion-cut sapphire. 

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...

Responsibly sourced green sapphire from Queensland, Australia. Untreated and cut into a round brilliant shape, this gemstone weighs 0.48 carats and...

Untreated green and teal sapphire from Queensland, Australia. Cut into a pear shape, this 0.50 carat gemstone showcases the beautiful colour shifts...

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

A beautiful trillion cut sapphire from Queensland, Australia in green to slightly teal shades.This untreated stone has a fresh, vibrant colour pale...

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. 4.2 mm each.

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

Responsibly sourced blue, green, teal and chartreuses sapphire from Queensland, Australia. Untreated and cut into an oval shape, this gemstone weig...

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