Precious gemstones sourced directly from the mines. The gemstones are hand cut and polished by lapidary and jewellery artist Mark Nuell in his London-based studio

Mark maintains a close and long-standing relationship with sapphire mines in Australia. His family used to mine sapphires in Rubyvale for nearly 30 years.

Please find a selection of precious gemstones that are currently available to be made into bespoke pieces of jewellery. Some gems can be purchased on their own, kindly enquire.

For custom pieces and commissions please contact Mark at info@marknuell.com to discuss further.

Pharaoh's Eye Parti Sapphire

Freeform Australian parti sapphire, 2.34 carats.

Beautiful deep shades of blue and green with a bright yellow centre (pharaoh’s eye).

This unique stone was cut in Mark’s own freeform design.

Size 9.90 x 6.10 mm

Freeform Parti Sapphire

Australian 3.85 carat parti sapphire predominantly coloured in deep shades of blue, some notions of green, with the colour shifting to yellow at one end.

Mark cut this stone in his own original freeform rose-cut design. Making it a truly one-of-a-kind stone.

Size 12.6 x 9.5 mm

Freeform Amethyst

Freeform faceted amethyst cut and polished for Masterpiece Collective.

56.40 carats, faceted in Mark’s unique freeform design.

You don’t see many like this - It has the most incredible deep purple colour with flashes of red and blue in different lights. Rough stone sourced by Ravenstein Gem Co. LLC

Yellow Imperial Topaz

This natural vivid yellow topaz weighing 11.60cts is extremely rare to find in nature.

This stone has been precision cut by Mark Nuell as part of Masterpiece Collective, an elite group of 16 of the worlds most accomplished and award winning stone cutters. Each stone is sourced by Ales Patrick Krivanek from Ravenstein Gem Company.

This one-of-a-kind yellow imperial topaz measures 15.2mm x 12.5mm and a depth of 9mm

Peach Tourmaline

Large flawless 14.47ct Congo Tourmaline in beautiful peach colour with flashes of pink.

Precision faceted for Masterpiece Collective in Arya Akhavan design. Rough stone sourced by Ravenstein Gem Co LLC.

Round Pink Tourmaline

This natural pink tourmaline weighs 3.55cts and is a beautiful pink.

This stone has been precision cut by Mark Nuell as part of Masterpiece Collective, an elite group of 16 of the worlds most accomplished and award winning stone cutters. Each stone is sourced by Ales Patrick Krivanek from Ravenstein Gem Company.

This one-of-a-kind pink tourmaline measures 10mm x 10mm with a depth of 6.7mm.

Pink Tourmaline Baguette

Beautiful bright coloured pink tourmaline, sourced from Namibia.

2.28cts, baguette cut.

Warm Pink Tourmaline

This natural pink tourmaline weighing 3.08cts from Africa showcases beautiful pale pinks and warm white hues.

This stone has been precision cut by Mark Nuell as part of Masterpiece Collective, an elite group of 16 of the worlds most accomplished and award winning stone cutters. Each stone is fully traceable and is sourced by Ales Patrick Krivanek from Ravenstein Gem Company.

This one-of-a-kind pink tourmaline measures 7.40mm x 10.20mm with a depth of 6.4mm.

Demantoid Garnet

This extremely rare Demantoid Garnet weighing 0.47cts from Russia comes with an appraisal by Gemologist, Craig Lynch GG.

This stone is 4.8mm in diameter.

Red Garnet

Beautiful deep coloured red garnet, 13.07cts., Malayan origin, cut in Marco Voltolini ‘Sakuranbo’ design.

Demantoid Garnet Pair

This extremely rare, pair of Demantoid Garnets weighing 0.97cts from Russia come with an appraisal by Gemologist, Craig Lynch GG.

Each stone is 4.8mm in diameter.