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Investment Grade Tanzanite

As one of the world’s largest tanzanite companies — with a direct link to the mine — Tanzanite Direct is uniquely positioned to offer what few others can: an extraordinary selection of what the industry calls Investment Grade Tanzanite. These are the stones that sit at the very peak of global production: the richest VB 6/6 hues, the largest carat weights, and the exceptionally rare colours sought by collectors and connoisseurs worldwide.

Yet what you see here is only a glimpse of what lies beyond.
Behind the scenes, we hold thousands of elite tanzanites that are not listed online — exceptional stones reserved for discerning clients searching for something specific, something rare, something truly extraordinary.

If you are seeking a dream tanzanite — a once-in-a-lifetime stone of investment grade quality — we invite you to get in touch. Our team will personally curate options tailored to your desired size, colour, cut, and level of rarity.

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52 products

Save $18,149.00A rectangular emerald-cut blue tanzanite pendant necklace in a white gold  necklace setting with baguette diamonds. A rectangular emerald-cut blue tanzanite pendant necklace in a white gold  necklace setting with baguette diamonds.
30 Carat Tanzanite Pendant - Emerald Cut - Art Deco Style Sale price$55,145.00 NZD Regular price$73,294.00 NZD
Save $5,420.00Exceptional 4.00 Ct Tanzanite & Baguette Diamond Pendant
Exceptional 4.00 Ct Tanzanite & Baguette Diamond Pendant Sale price$8,377.00 NZD Regular price$13,797.00 NZD
Save $2,303.00Exceptional Five Carat Tanzanite and Diamond Halo Stud Earrings – 18ct Yellow GoldExceptional Five Carat Tanzanite and Diamond Halo Stud Earrings – 18ct Yellow Gold
Save $50,608.00Exclusive: Square Cut Tanzanite & Diamond NecklaceA close-up of necklace featuring large, deep blue emerald-cut tanzanites  set with baguette-cut diamonds stones, photographed on a neutral gray background.
Exclusive: Square Cut Tanzanite & Diamond Necklace Sale price$85,509.00 NZD Regular price$136,117.00 NZD