Nineteen48

A pale lilac-blue sapphire responsibly sourced from Sri Lanka.

Blue pear cut sapphire from Sri Lanka.

A dusky purple sapphire just under 1 carat.

Royal purple pear shape sapphire from Sri Lanka.

Beautiful purple sapphire.

Lovely purple sapphire.

Pretty, pale blue round sapphire. Eye-clean clarity.

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...

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

Just over 1 carat, this oval-cut stone glows with a soft golden hue and a gentle brownish-yellow undertone. A warm, light-catching gem.

Just over 1.5 carats, this slightly oval, near-round stone has a golden-brown warmth.

A statement piece, this stunning golden-brown stone is just shy of 12 carats. Oval-cut and full of depth, it would make a great cocktail ring.

A pear-cut scapolite with excellent sparkle. Clear with a soft peachy undertone: delicate, bright, and full of charm.

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

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.

An almost 6-carat oval peridot with a powerful, intense green. Rich saturation.

An elegant oval-cut chrysoberyl with a yellowy-green tone, pale tones of chartreuse.

A set of untreated marquis-cut sapphires ranging from clear to soft yellow, with a peach and a couple of lilac-toned stones included. A delightful ...

A stunning orange tourmaline weighing 7.8 carats. Intense colour and beautiful cut‚ this is a show-stopping gem for a dramatic cocktail ring.

Colour-change alexandrite with a beautiful green in artificial light, shifting to purple in daylight. Good size and a perfect conversation-starting...

A stunning aquamarine - the biggest ever mined from Pohorobawa, Sri Lanka. This icy blue beauty is a huge 60.22cts!