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 |
2.86ct Turquoise Grandidierite, Pear Shape, Translucent
10.6 x 7.6 mm
$ 156.67
6.41ct Turquoise Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 1,053.42
22.15ct Turquoise Grandidierite, Oval, Translucent
16.8 x 15.1 mm
$ 728.03
3.70ct Turquoise Grandidierite, Emerald Cut, SI
11.2 x 8.3 mm
$ 162.15
8.54ct Turquoise Grandidierite, Oval, Translucent
13.4 x 10.1 mm
$ 233.91
3.78ct Turquoise Grandidierite, Oval, Translucent
11.4 x 8.5 mm
$ 828.27
2.79ct Turquoise Grandidierite, Pear Shape, Translucent
10.3 x 8.3 mm
$ 152.84
2.43ct Turquoise Grandidierite, Pear Shape, Translucent
12 x 7.1 mm
$ 242.03
17.66ct Turquoise Grandidierite, Oval, Translucent
18 x 13 mm (calibrated)
$ 580.45
1.94ct Turquoise Grandidierite, Pear Shape, Translucent
9 x 7 mm (calibrated)
$ 106.27
2.07ct Turquoise Grandidierite, Oval, Translucent
9 x 7 mm (calibrated)
$ 59.60
8.65ct Turquoise Grandidierite, Oval, Translucent
15 x 11.8 mm
$ 249.05
1.45ct Turquoise Grandidierite, Pear Shape, VS-SI
9.4 x 6.6 mm
$ 722.10
8.02ct Turquoise Grandidierite, Oval, Translucent
14.7 x 10.9 mm
$ 230.92
11.37ct Turquoise Grandidierite, Oval, SI-I1
14.6 x 12.9 mm
$ 373.71
3.09ct Turquoise Grandidierite, Oval, Translucent
9.6 x 7.4 mm
$ 169.27
7.09ct Turquoise Grandidierite, Pear Shape, I1
14 x 12 mm (calibrated)
$ 233.03
6.15ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 177.07
3.56ct Turquoise Grandidierite, Oval, SI
11.6 x 8.7 mm
$ 156.02
4.65ct Turquoise Grandidierite, Oval, Opaque
11.7 x 8.7 mm
$ 324.20
4.13ct Turquoise Grandidierite, Pear Shape, Translucent
12 x 8.6 mm
$ 226.24
4.58ct Turquoise Grandidierite, Oval, Translucent
11.5 x 8.9 mm
$ 1,003.57
2.86ct Turquoise Grandidierite, Oval, Translucent
11.4 x 7.6 mm
$ 142.43
2.44ct Turquoise Grandidierite, Oval, Translucent
9.1 x 7.5 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 
All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.
Overall Rating -> 10
It was good. There was a large selection at prices I could afford.
Overall Rating -> 9 
Easy to use. Many options to find the right gemstone
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Overall Rating -> 7 
Overall the site is good to use and simple to navigate for what i needed and i liked that they are clear and detailed on the size shape and cut of the stones only input id like is for stones that have a specific refractive quality like moonstone in my case if theyd showcase the cut stones refraction so you know how it looks when buying
Overall Rating -> 10
Very good
