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 |
27.85ct Turquoise Grandidierite, Fancy, SI
15.8 x 25 mm
$ 13,869.30
17.33ct Turquoise Grandidierite, Pear Shape, SI
17.6 x 16.4 mm
$ 7,911.15
13.98ct Turquoise Grandidierite, Oval, SI
16.5 x 13.7 mm
$ 7,658.24
14.09ct Turquoise Grandidierite, Oval, Translucent
15.9 x 13.2 mm
$ 3,087.40
12.95ct Turquoise Grandidierite, Oval, Translucent
17 x 13.9 mm
$ 2,837.60
11.74ct Turquoise Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 2,572.47
11.72ct Turquoise Grandidierite, Oval, Translucent
14.8 x 12.9 mm
$ 2,568.09
11.06ct Turquoise Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 2,423.47
19.52ct Turquoise Grandidierite, Oval, Translucent
17.3 x 14.2 mm
$ 2,138.61
9.75ct Turquoise Grandidierite, Oval, Translucent
14.6 x 10.7 mm
$ 2,136.42
9.18ct Turquoise Grandidierite, Oval, Translucent
15 x 10 mm (calibrated)
$ 2,011.52
8.97ct Turquoise Grandidierite, Oval, Translucent
13 x 11 mm (calibrated)
$ 1,965.51
22.47ct Turquoise Grandidierite, Oval, Translucent
21 x 15.5 mm
$ 1,723.27
7.78ct Turquoise Grandidierite, Cushion, VS-SI
15.2 x 10.7 mm
$ 1,704.75
7.32ct Turquoise Grandidierite, Oval, Translucent
13 x 11 mm (calibrated)
$ 1,603.96
7.22ct Turquoise Grandidierite, Oval, Translucent
13.9 x 10.7 mm
$ 1,582.05
7.18ct Turquoise Grandidierite, Pear Shape, Translucent
14 x 11.4 mm
$ 1,573.28
6.92ct Turquoise Grandidierite, Oval, Translucent
12.6 x 10 mm
$ 1,516.31
6.91ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 1,514.12
6.55ct Turquoise Grandidierite, Pear Shape, Translucent
13 x 11 mm (calibrated)
$ 1,435.24
6.33ct Turquoise Grandidierite, Oval, Translucent
14 x 10 mm (calibrated)
$ 1,387.03
5.96ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 1,305.96
2.76ct Turquoise Grandidierite, Oval, VS-SI
9.5 x 7.1 mm
$ 1,209.54
10.79ct Turquoise Grandidierite, Oval, Translucent
18 x 13 mm (calibrated)
$ 1,182.15
Why Buy Grandidierite from GemSelect?
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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 
Web site is very simple to navigate Selection is terrific
Overall Rating -> 10
I could see the actual gem I was buying
Overall Rating -> 10
Easy to conduct search, good amount of stock to select from along with variety of prices.
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 -> 9 
Very good and simple exchange
Overall Rating -> 10
It's mostly good, only some item's are easier to find through the search than the menu
