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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Bi-color
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Black
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Blue
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Brown
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Golden
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Gray
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Green Grandidierite
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Multicolor
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Orange
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Pink
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Purple
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Red
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Turquoise Grandidierite
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Violet
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White
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Yellow
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Single |
Pairs |
Lots |
Faceted |
Cabochons |
2.93ct Turquoise Grandidierite, Oval, Translucent
9.6 x 8.4 mm
$ 160.51
1.45ct Turquoise Grandidierite, Pear Shape, VS-SI
9.4 x 6.6 mm
$ 722.10
3.04ct Turquoise Grandidierite, Oval, SI
10 x 8 mm (calibrated)
$ 121.11
5.61ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 161.52
2.85ct Turquoise Grandidierite, Pear Shape, Translucent
11.2 x 8.1 mm
$ 141.93
4.11ct Turquoise Grandidierite, Oval, Translucent
12 x 9.5 mm
$ 900.58
2.07ct Turquoise Grandidierite, Oval, Translucent
9 x 7 mm (calibrated)
$ 59.60
8.66ct Turquoise Grandidierite, Oval, I1
14.7 x 12.1 mm
$ 284.64
2.75ct Turquoise Grandidierite, Oval, VS-SI
9.5 x 8.1 mm
$ 361.55
3.15ct Turquoise Grandidierite, Oval, SI-I1
10.9 x 9.5 mm
$ 115.04
11.37ct Turquoise Grandidierite, Oval, SI-I1
14.6 x 12.9 mm
$ 373.71
1.49ct Turquoise Grandidierite, Pear Shape, Translucent
7.6 x 6.6 mm
$ 81.62
10.79ct Turquoise Grandidierite, Oval, Translucent
18 x 13 mm (calibrated)
$ 1,182.15
6.15ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 177.07
2.88ct Turquoise Grandidierite, Oval, Translucent
10 x 8 mm (calibrated)
$ 157.77
1.64ct Turquoise Grandidierite, Oval, SI
8.4 x 7 mm
$ 59.89
2.86ct Turquoise Grandidierite, Oval, Translucent
11.4 x 7.6 mm
$ 142.43
11.77ct Turquoise Grandidierite, Oval, Translucent
16.9 x 13.8 mm
$ 902.67
1.94ct Turquoise Grandidierite, Pear Shape, Translucent
9 x 7 mm (calibrated)
$ 106.27
3.56ct Turquoise Grandidierite, Oval, SI
11.6 x 8.7 mm
$ 156.02
2.43ct Turquoise Grandidierite, Pear Shape, Translucent
12 x 7.1 mm
$ 242.03
2.12ct Turquoise Grandidierite, Pear Shape, Translucent
9 x 7 mm (calibrated)
$ 116.13
2.58ct Turquoise Grandidierite, Oval, SI
10 x 8 mm (calibrated)
$ 113.06
1.40ct Turquoise Grandidierite, Oval, Translucent
8 x 6.5 mm
$ 453.58
Why Buy Grandidierite from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
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.
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 
Great prices!!! High quality gemstones.
Overall Rating -> 10
Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.
Overall Rating -> 8 
First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.
Overall Rating -> 10
Very good.
Overall Rating -> 9 
Everything was good, the purchase was what I expected and what they show is what you get.
Overall Rating -> 10
Great selection of gems at a reasonable price
