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

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

Lovely blue princess cut sapphires from Malawi. 

Lovely blue sapphires from Malawi. Total carat weight: 0.82ct

An intense natural green tourmaline in baguette cut, just over 3 carats. Bold lines and saturated colour.

A fancy-cut garnet from the Moyo Project in Tanzania.

A dreamy lilac emerald-cut sapphire in pastel tones, with lovely sparkle.

Pink and lilac baguette sapphires. Approx 0.15ct each.

This fancy cut, deep red garnet was responsibly mined by a member of the Tanzanian Women Miners' Association (TAWOMA) in the Tanga region of north-...

This unusually cut sapphire is a variation of a tapered baguette, giving it the look of a coffin. The stone has good clarity and a cool combination...

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

Strong geometric shape, would sit well as the centre of a ring.

Tapered yellow sapphire baguettes, each approximately 4 x 6mm. 

An elegant elongated octagonal blue sapphire from Sri Lanka. This untreated gem measures 8.8 x 4.9 mm and displays a vivid blue tone. A small surfa...

Responsibly sourced from Pohorabawa, Sri Lanka, these sapphires are a step cut and weigh approximately 0.14 carats each. Measuring approximately 5....

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...

Emerald-cut untreated sapphire in a soft pastel yellow tone, just under 1 carat. Elegant and understated with good clarity.

Deep green-blue baguette sapphire from Queensland, Australia.

Green sapphire from Queensland, Australia, cut into an unusual fancy step-cut shape. Weighing 0.82 carats and measuring just under 7 mm, this gemst...

A selection of blue, light blue and pale blue sapphires ethically sourced from Sri Lanka.

Blue to light blue step-cut sapphires responsibly sourced from Pohorabawa, Sri Lanka. 

An emerald-cut vibrant green tourmaline from Tanzania.