Green amethyst octagon shape - 12x10mm

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Natural 12x10mm green amethyst (prasiolite) in an elegant octagon cut. Ethically sourced from Brazil, eye-clean and ideal for rings, pendants and bespoke jewellery.

  • $53.07


Description

Discover the timeless beauty of this 12x10mm natural green amethyst, expertly faceted in a classic octagon cut. Also known as prasiolite, green amethyst is admired for its soft sage-green colour, exceptional transparency and elegant brilliance.

The octagon cut combines clean geometric lines with excellent light performance, making it a sophisticated choice for both contemporary and vintage-inspired jewellery. Its generous 12x10mm size creates an eye-catching centre stone for statement rings, pendants and bespoke jewellery.

Our green amethysts are ethically sourced from Brazil and carefully selected for their eye-clean clarity, attractive colour and precision cutting. Every gemstone is individually photographed, ensuring you receive the exact stone you choose.

Gemstone Details

  • Gemstone: Green Amethyst (Prasiolite)
  • Shape: Octagon
  • Size: 12x10mm
  • Cut: Faceted
  • Colour: Soft Natural Green
  • Clarity: Eye-clean
  • Treatment: Heat treated (standard for green amethyst)
  • Origin: Brazil
  • Hardness: 7 on the Mohs scale
  • Ethically sourced: Yes
  • Suitable for: Rings, pendants, earrings and bespoke jewellery

Why Choose a 12x10mm Green Amethyst?

The 12x10mm size offers impressive presence while maintaining elegant proportions. The octagon cut showcases the gemstone's exceptional clarity and soft green colour, making it a stunning choice for statement jewellery and one-of-a-kind bespoke designs.

Green amethyst is an affordable yet luxurious gemstone that pairs beautifully with yellow gold, white gold, rose gold and sterling silver.

Product Uses

  • Engagement Rings
  • Dress Rings
  • Cocktail Rings
  • Statement Rings
  • Pendants
  • Necklaces
  • Earrings
  • Fine Jewellery
  • Bespoke Jewellery
  • Jewellery Making

Frequently Asked Questions

Is green amethyst a natural gemstone?

Yes. Green amethyst, also known as prasiolite, is a natural variety of quartz. Its green colour is typically achieved through permanent heat treatment, which is standard practice within the gemstone industry.

Is this gemstone eye-clean?

Yes. We carefully select eye-clean green amethysts with excellent transparency and brilliance.

What jewellery is a 12x10mm green amethyst suitable for?

Its larger size makes it ideal for statement rings, cocktail rings, pendants, earrings and bespoke jewellery where the gemstone is the main focal point.

Will I receive the exact gemstone shown?

Yes. Every gemstone is individually photographed, so you receive the exact stone you select.

Product use

All gemstones sold by Gemstones Brazil are carefully selected loose natural stones, suitable for jewellery making, bespoke designs, engagement rings, and fine jewellery creations.

Each gemstone is sold unset, giving designers and goldsmiths full flexibility to create custom pieces and tailored settings.

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