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Home Gemstones Grandidierite

Grandidierite Gemstones - Rare Natural & Certified Stones

Grandidierite gemstones, sourced from Madagascar and prized for their bluish-green to teal hues with striking pleochroism. Ideal for custom jewelry like engagement rings or collector's items. Hand-selected and faceted for brilliance. Shop our in-stock Grandidierite gemstones now - limited availability!

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2.25ct Turquoise Grandidierite, Pear Shape, Translucent

10 x 7 mm (calibrated)

$ 123.26

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6.72ct Turquoise Grandidierite, Oval, Translucent

14 x 10 mm (calibrated)

$ 193.48

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1.50ct Turquoise Grandidierite, Oval, Translucent

8 x 6 mm (calibrated)

$ 43.18

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7.22ct Turquoise Grandidierite, Oval, Translucent

13.9 x 10.7 mm

$ 1,582.05

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5.05ct Turquoise Grandidierite, Oval, Translucent

13 x 9 mm (calibrated)

$ 352.09

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1.64ct Turquoise Grandidierite, Oval, Translucent

9 x 6 mm (calibrated)

$ 453.58

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1.83ct Turquoise Grandidierite, Oval, VS-SI

9 x 7 mm (calibrated)

$ 240.59

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2.17ct Turquoise Grandidierite, Pear Shape, Translucent

9.5 x 7.2 mm

$ 118.87

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1.40ct Turquoise Grandidierite, Oval, Translucent

7.5 x 6.3 mm

$ 69.72

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5.94ct Turquoise Grandidierite, Emerald Cut, SI-I1

14.7 x 8.6 mm

$ 195.23

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3.39ct Turquoise Grandidierite, Oval, VS-SI

10 x 8 mm (calibrated)

$ 148.56

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7.32ct Turquoise Grandidierite, Oval, Translucent

13 x 11 mm (calibrated)

$ 1,603.96

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2.79ct Turquoise Grandidierite, Pear Shape, Translucent

10.3 x 8.3 mm

$ 152.84

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12.25ct Turquoise Grandidierite, Pear Shape, Translucent

17.7 x 13.6 mm

$ 939.48

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2.98ct Turquoise Grandidierite, Oval, Translucent

10.3 x 8.7 mm

$ 412.34

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5.96ct Turquoise Grandidierite, Oval, Translucent

12 x 10 mm (calibrated)

$ 1,305.96

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4.97ct Turquoise Grandidierite, Oval, SI

11.7 x 10.4 mm

$ 217.81

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2.53ct Turquoise Grandidierite, Oval, Translucent

10.7 x 6.9 mm

$ 138.59

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2.29ct Turquoise Grandidierite, Oval, SI

9 x 7 mm (calibrated)

$ 100.36

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4.27ct Turquoise Grandidierite, Pear Shape, Translucent

11 x 9 mm (calibrated)

$ 327.48

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1.09ct Turquoise Grandidierite, Oval, Translucent

7.1 x 6.6 mm

$ 453.58

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2.44ct Turquoise Grandidierite, Oval, Translucent

9.1 x 7.5 mm

$ 453.58

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6.92ct Turquoise Grandidierite, Oval, Translucent

12.6 x 10 mm

$ 1,516.31

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6.02ct Turquoise Grandidierite, Oval, Translucent

13 x 9 mm (calibrated)

$ 986.04

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Why Buy Grandidierite from GemSelect?

Why Choose Grandidierite Gemstones?

Elevate your collection with Grandidierite gemstones, the ultimate symbol of rarity and sophistication. Sourced only from Madagascar, these loose Grandidierite gemstones captivate with their teal to bluish-green tones and mesmerizing pleochroism - revealing emerald green, sky blue, or colorless views in one stone. Harder than aquamarine yet softer than sapphire (Mohs 7-7.5), they're ideal for natural Grandidierite gemstones in custom jewelry. Our certified selections ensure authenticity, with VS-SI clarity for everyday elegance. Invest in these elusive treasures before they're gone - perfect for engagement rings, pendants, or heirloom pieces.

Related Gemstones & Collections

Explore more rare finds like teal Grandidierite gemstones alongside complementary stones:

  • Benitoite Gemstones: Ultra-rare blue neon hues for bold statements.
  • Grandidierite Cabochons: Polished for opaque, chatoyant effects.
  • Madagascar-Sourced Gems: Tsavorite garnet or demantoid for vibrant green synergy.

Gem Care Tips

Protect your Grandidierite gemstones with simple care: Clean gently with warm soapy water and a soft brush; avoid ultrasonics or steam. Store separately to prevent scratches. For longevity, have settings checked annually - these rare teal Grandidierite gemstones deserve expert handling.

Loose Grandidierite Gemstones for jewelry and Collecting

To learn more about this rare and valuable stone, visit our Grandidierite Gemstone Information page.

FAQs

What makes Grandidierite gemstones so rare?

Grandidierite is one of the world's rarest gems, found almost exclusively in Madagascar's Transvaal deposits. Only a tiny fraction is gem-quality, making loose Grandidierite gemstones highly sought after by collectors and jewelers.

Are your Grandidierite gemstones certified?

Yes! Every natural Grandidierite gemstone we sell includes full certification from independent labs, verifying authenticity, origin, and quality (e.g., VS-SI clarity, no treatments).

How should I wear Grandidierite in jewelry?

Grandidierite gemstones shine in protective settings like bezels for rings or pendants. Their pleochroism adds dynamic color play - best in light, open designs to showcase the teal-to-blue shifts.

Can I return or exchange a Grandidierite gemstone?

Absolutely. We offer a 30-day return policy on all certified loose gemstones, ensuring satisfaction with your rare find.

What's the value of Grandidierite gemstones?

Prices for teal Grandidierite gemstones start at $50/ct for smaller stones, rising to $10,000+ for top-color, large faceted pieces - reflecting their extreme scarcity and beauty.

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 shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Easy, quick.

Posted By Mich in June, 2026
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Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
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Overall Rating -> 10 star ratings

Very good

Posted By Niska in August, 2025
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Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
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Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate
Enlarged Gemstone Image