Quartz

Sweet yellow citrines in an emerald cut from the Moyo Project. But separately or as a pair. (Price is per gemstone)

Interesting and bold citrine from the Moyo Project.

A big and bold amethyst, with a pinkish purple colour, which was responsibly mined by a member of the Tanzanian Women Miners' Association (TAWOMA) ...

A bold purple amethyst in a step-cut geometric shape.

Large emerald-cut lemon quartz with a gentle yellow hue. Bright and sunny in tone.

A large 10-carat quartz with dramatic colour zoning: amethyst purple on one side blending into a yellowish-clear band.

A beautifully graduated ametrine (amethyst-citrine blend), this 11.13-carat gem shifts from soft yellow at one end to a pale purple at the other.

A pretty amethyst heart. Great size for a pendant.

A great stone for a cocktail ring or pendant. This gem is from the Moyo Project. The shape is a symmetrical down the longest length - like a shield...

A round, bright yellow citrine from the Moyo Project

Fancy cut citrine from the Moyo Project.

A fancy cut citrine with a step-cut crown. Unusual shape.

Bold citrine in an interesting crescent shape with a fancy cut.

This is a lovely, Tanzanian amethyst, with a distinctive, fancy cut, weighing over 10 carats. The gemstone was responsibly mined by a member of the...

This large citrine from Tanzania is over 10 carats and would look great in a pendant or ring, perhaps even a brooch. The gemstone was responsibly m...

This large citrine from Tanzania has a funky shape and is destined for a piece of jewellery that will make an impression. The gemstone was responsi...