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The House of Gemstones

Emerald-Cut Green Tourmaline & Baguette Diamond Ring in 18ct Yellow Gold

Emerald-Cut Green Tourmaline & Baguette Diamond Ring in 18ct Yellow Gold

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Marcus Tempus

Product Story

Rich green Tourmaline meets crisp geometric diamonds in a beautifully architectural design.

At the centre of this striking ring sits an elongated emerald-cut green Tourmaline, displaying the deep forest-green colour and flashes of brighter green that make fine Tourmaline so distinctive. The long step-cut facets emphasise the gemstone’s depth and clarity, giving the stone a sophisticated, almost glass-like character.

Set on either side are rows of baguette-cut diamonds, chosen to echo the clean geometry of the centre stone. Rather than surrounding the Tourmaline with a traditional halo, the diamonds sit alongside it, creating a structured Art Deco-inspired composition while allowing the vivid green gemstone to remain the undisputed focus.

Crafted in 18ct yellow gold, the warm metal provides a beautiful contrast against the cool green Tourmaline and bright white diamonds. The result is bold but exceptionally elegant — a statement ring with strong colour, clean lines and a distinctly luxurious feel.

Green Tourmaline is admired for its extraordinary range of shades, from fresh leafy greens through deep forest and blue-green tones. As no two Tourmalines are quite identical, larger stones with particularly attractive colour can make especially individual pieces of jewellery.

Tourmaline is also one of October’s birthstones, making this a striking alternative for an October birthday or for anyone drawn to jewellery built around natural colour.

If this particular piece is no longer available, Marcus Tempus may be able to source a comparable emerald-cut green Tourmaline, locate a gemstone in a different shade or size, or create a bespoke interpretation inspired by this design.

Features

  • Gemstone: Green Tourmaline
  • Cut: Emerald / rectangular step cut
  • Accent stones: Baguette-cut diamonds
  • Metal: 18ct Yellow Gold
  • Design: Geometric statement ring
  • Setting: Claw-set centre stone with diamond-set side panels
  • Colour: Deep forest green
  • Birthstone: October
Marcus Tempus Gemstone Passport MT-GP-008
Faceted natural tourmaline gemstone

The House of Gemstones

Tourmaline Passport

October Birthstone • Tourmaline • Mohs 7–7.5
Mineral Family Tourmaline Group
Colour Almost every colour, including pink, green, blue, bi-colour and watermelon
Hardness 7–7.5 Mohs
Wearability Excellent for regular wear with sensible care
Notable Sources Brazil
Mozambique
Nigeria
Afghanistan
Clarity Varies by colour; many fine stones are eye-clean

Why We Treasure Tourmaline

Tourmaline is one of the world’s most fascinating gemstones, admired for its extraordinary range of colours. Few gemstones offer such diversity, from delicate pastel shades to intense vivid hues and remarkable bi-colour crystals.

Its versatility allows every piece of tourmaline jewellery to possess its own distinct personality, making it a favourite among collectors and those seeking something truly individual.

Natural rough tourmaline crystal

Nature’s Artistry

Tourmaline crystals naturally grow in long, beautifully striated prisms. Some display several colours within one crystal, creating treasured watermelon and bi-colour varieties.

Caring for Tourmaline

Clean tourmaline jewellery using lukewarm water, mild soap and a soft brush. Avoid sudden impacts, harsh chemicals and rapid temperature changes.

Store tourmaline separately from harder gemstones to help preserve its polished finish. Remove jewellery before strenuous activities.

Marcus Tempus Bespoke

Crafted Around Your Preferences

Many Marcus Tempus tourmaline jewellery designs can be individually crafted to suit your personal style. Where the design allows, we can often create a piece in your preferred precious metal or with an alternative natural gemstone from our collection.

Often Crafted In

9ct Gold 14ct Gold 18ct Gold Yellow Gold White Gold Rose Gold Platinum

Alternative Gemstone Options

Pink Tourmaline Green Tourmaline Watermelon Tourmaline Rubellite Sapphire Aquamarine

Availability varies according to the design, gemstone and stone dimensions. Not every gemstone is suitable for every setting, and some combinations may require small design adjustments.

Enquire About Bespoke Options →
Marcus Tempus gold seal

Every gemstone begins deep within the Earth.

Its next chapter
begins with you.

The House of Gemstones