TanzaniteOne

  • Tanzanite One 4Brand Image
  • TanzaniteOne tanzanite engagement ring, set with a rich blue-violet 3.40ct tanzanite encirlced by a halo of diamonds, with a reverse tapered band set with diamonds ($3,500).
  • TanzaniteOne tanzanite engagement ring with a rare deep blue-violet 6.72ct cushion-cut tanzanite set in white gold, flanked by trillion-cut diamonds ($4,800).
  • A 109ct blueish-violet tanzanite discovered by TanzaniteOne, which mines tanzanite exclusively in Tanzania, the only country in which tanzanite has been discovered.
  • The mine shaft at TanzaniteOne - the deepest purely coloured gemstone mine in the world.
  • TanzaniteOne oval tanzanite ring with a diamond pavé band.
  • Rough tanzanite photographed deep underground at TanzaniteOne, illustrating "pleochrism": the unique ability to show separate blue and violet hues simultaneously.
  • TanzaniteOne Empress earrings showcasing over 50 blue-violet tanzanite stones.
  • TanzaniteOne Josephine earrings with two cushion cut tanzanite stones surrounded by pavé diamonds.
  • Workers at the TanzaniteOne mine drilling for tanzanite.
  • TanzaniteOne African Night ring with a violet-toned tanzanite surrounded by a pavé of diamonds.
  • TanzaniteOne ring with a central tanzanite surrounded by two diamonds.

TanzaniteOne is the world's largest and most modern miner of ethical tanzanite, and launched its first online high jewellery boutique in 2014. Historically, the company has only sold its vivid blue precious stones to eight select companies, but now consumers around the world are able to purchase the company's ethically produced high jewellery pieces online, as well as tanzanite-set gold jewellery.

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