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A responsibly sourced, dark blue sapphire from an artisanal mine in Queensland, Australia. The cut is slightly asymmetrical.

Lovely large pale blue-lilac round sapphire.

A selection of pastel round sapphires from Pelmadulla, Sri Lanka

An emerald-cut vibrant green tourmaline from Tanzania.

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

A dark green sapphire from Australia. This stone has a chip on the girdle and the cut is not perfectly symmetrical. Both of these things could be h...

A pale blue zircon, responsibly sourced from an artisanal mine in Australia. This stone has been heated.

A large, pink zircon from Queensland, Australia. This stone has not been treated in any way.

This sapphire has a strong green colour and an unusual cut, making it ideal for a distinctive ring.

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

A lovely, responsibly sourced sapphire. This sparkly gemstone comes from an artisanal mine in Queensland, Australia and is unheated.

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

A pink sapphire with apricot-orange inclusions that create a captivating textured effect, perfect as a standout centre stone.

Blue and pale blue trillion sapphires. Multiple to choose from, approx 4.1mm each.

Flat-back kite shape sapphires. Blue to pale blue colour.

Stunning cushion cut, deep blue, untreated sapphire, which was responsibly sourced from an artisanal mine near Ellawela, Sri Lanka.

Flat-back, purple sapphire, ethically sourced from Pohorabawa, Sri Lanka.

A responsibly sourced, untreated, pink sapphire from a gem mine near Pohorabawa, Sri Lanka. This stone has a vibrant colour with plenty of sparkle.

A cool, green untreated sapphire from Tanga in Tanzania, sourced from an artisanal mine and cut in Sri Lanka.

This 0.5 carat, dark pink sapphire is the ideal size for a contemporary solitaire ring. The stone comes from an artisanal gem mine near Pohorabawa,...

Pale blue tapered baguette sapphire ethically sourced from Sri Lanka.