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Home Collections Loose Tanzanite gemstones for custom jewelry

Loose Tanzanite Gemstones for Custom Jewelry - Buy Now!

Create stunning custom jewelry with our loose Tanzanite gemstones. Perfect for bespoke designs!

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2.03ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 77.85

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1.39ctw Blue Tanzanite, Pear Shape, VS

5.1 x 3.8 mm

$ 53.30

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1.70ct Blue Tanzanite, Oval, Transparent

8 x 6 mm (calibrated)

$ 13.55

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0.42ct Blue Tanzanite, Pear Shape, VVS-VS

5.8 x 3.8 mm

$ 24.78

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1.29ctw Blue Tanzanite, Pear Shape, VVS-VS

5 x 3 mm (calibrated)

$ 49.47

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3.59ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 28.60

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1.54ct Blue Tanzanite, Oval, Transparent

8 x 6 mm (calibrated)

$ 13.33

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1.76ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 78.88

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1.57ct Blue Tanzanite, Oval, Transparent

8 x 6 mm (calibrated)

$ 13.59

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1.58ctw Blue Tanzanite, Pear Shape, VS

5 x 3.8 mm

$ 60.59

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0.30ct Blue Tanzanite, Pear Shape, VVS-VS

5.2 x 4 mm

$ 9.52

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1.32ct Blue Tanzanite, Round, VVS-VS

7 mm (calibrated)

$ 392.04

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1.84ct Blue Tanzanite, Oval, VVS

9 x 7 mm (calibrated)

$ 544.16

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3.65ctw Blue Tanzanite, Pear Shape, VS

6 x 4 mm (calibrated)

$ 139.97

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2.16ctw Blue Tanzanite, Pear Shape, VS

5.1 x 3.2 mm

$ 82.83

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0.70ctw Blue Tanzanite, Pear Shape, VS

5.2 x 4.2 mm

$ 41.83

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0.35ct Blue Tanzanite, Pear Shape, VS

6 x 4 mm (calibrated)

$ 15.38

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1.88ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 72.09

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1.95ct Blue Tanzanite, Oval, Transparent

8 x 6 mm (calibrated)

$ 20.17

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3.08ct Blue Tanzanite, Oval, Transparent

10 x 8 mm (calibrated)

$ 24.54

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1.75ct Blue Tanzanite, Pear Shape, VS

5 x 5 mm (calibrated)

$ 517.55

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1.88ctw Blue Tanzanite, Pear Shape, VS

5.2 x 3.1 mm

$ 72.09

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1.69ctw Blue Tanzanite, Pear Shape, VS

5 x 3 mm (calibrated)

$ 64.81

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2.88ct Blue Tanzanite, Cushion, VVS

11.6 x 7.2 mm

$ 1,003.97

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Why Buy Loose Tanzanite Gemstones For Custom Jewelry from GemSelect?

What Makes Tanzanite So Special?

Tanzanite, a variety of zoisite, was discovered in 1967 and named after its sole source: Tanzania. Unlike other gems, it exhibits three colors (trichroism) - blue, purple, and hints of red - when viewed from various angles, creating dynamic depth in your custom jewelry. As the December birthstone, it symbolizes transformation and spirituality, adding personal meaning to heirloom-quality pieces.

  • Rarity: Found only in one 4-square-mile area, supplies are depleting, enhancing its investment value.
  • Color: Vibrant violet-blue tones, with AAA and AAAA grades offering the richest saturation.
  • Clarity & Cut: High clarity (eye-clean) and precision cuts maximize brilliance.
  • Hardness: 6.5-7 on the Mohs scale - durable for everyday wear with proper care, though softer than sapphire or ruby.
Loose Tanzanite Gemstones for Custom Jewelry

Why Choose Loose Tanzanite for Custom Jewelry?

Opting for loose Tanzanite gemstones for custom jewelry empowers you to craft pieces that reflect your unique style. Whether you're a designer envisioning a statement necklace or an individual seeking a custom engagement ring, these versatile stones adapt to any setting - from minimalist gold bands to elaborate platinum halos.

Benefits include:

  • Flexibility: Select exact sizes (from 0.5ct to over 20ct), shapes, and qualities to fit your design.
  • Affordability: Prices start at $30 and reach $5,000+, far more accessible than comparable sapphires while offering superior size options.
  • Ethical Sourcing: Our gems are certified natural, heat-treated for optimal color (a standard industry practice), and mined sustainably.
  • Investment Potential: As mining areas dwindle, Tanzanite's value appreciates, making your custom piece both beautiful and savvy.

Imagine a pear-shaped Tanzanite pendant that catches the light with electric blue flashes or trillion-cut earrings that sparkle with violet undertones - all customized to perfection.

Our Selection of Loose Tanzanite Gemstones

We offer a curated collection of loose Tanzanite gemstones for custom jewelry, graded for top color, clarity, and cut. All stones come with certificates of authenticity and are ready for your jeweler.

Explore shapes like baguette or heart for truly bespoke creations. Larger stones (over 5ct) are readily available, unlike many other colored gems.

Care Tips for Your Custom Tanzanite Jewelry

To keep your loose Tanzanite gemstones shining in custom settings:

  • Clean with mild soap and warm water; avoid ultrasonics or chemicals.
  • Store separately to prevent scratches.
  • Remove during heavy activities - its softness means it deserves gentle handling.

With proper care, your Tanzanite will retain its luster for generations.

Bring Your Vision to Life

Ready to transform loose Tanzanite gemstones into custom jewelry? Browse our collection today and collaborate with our expert jewelers for free design consultations. Whether it's a violet-blue engagement ring or a collection of raw stones for your portfolio, we make the process seamless and inspiring.

Shop now and own a piece of Tanzania's hidden treasure. Contact us for personalized recommendations!

Please use our Tanzanite Information Guide to learn more about this rare gemstone.

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Although the stones are smaller than I thought, I really don't think in millimeters, they are perfect. I plan to put one into a ring and the other into a necklace. Ordering was easy, contact kept me aware of how shipping was going, and delivery was sooner than expected. The quality of stones I have ordered in the past and this recent order is outstanding and stones I will be proud to wear.

Posted By Ktreva52 in June, 2026
Source: Bizrate

Overall Rating -> 8 star ratings

Site worked well and helped me find a rock that matched what I was looking for. Well within budget and I trust it will show up, so that's definitely positive. Not much else to it. Satisfied.

Posted By Big Ricky in May, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Easy process.

Posted By Crafty Seabee in March, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The process was pleasant, I chose to purchase the stone traditional to the month of March as it is the month in which I was born.

Posted By Maharishi in June, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website has a good selection, the interface is very intuitive.

Posted By PhoenixFeatherJewelry in January, 2026
Source: Bizrate
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