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 |
7.78ct Turquoise Grandidierite, Cushion, VS-SI
15.2 x 10.7 mm
$ 1,704.75
3.05ct Turquoise Grandidierite, Emerald Cut, SI
13 x 6.9 mm
$ 133.66
6.31ct Turquoise Grandidierite, Oval, SI-I1
13 x 11 mm (calibrated)
$ 283.45
9.80ct Green Grandidierite, Pear Shape, SI-I1
20 x 13.2 mm
$ 440.22
17.33ct Turquoise Grandidierite, Pear Shape, SI
17.6 x 16.4 mm
$ 7,911.15
14.98ct Turquoise Grandidierite, Oval, SI-I1
17.5 x 14.6 mm
$ 672.90
11.74ct Turquoise Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 2,572.47
2.00ct Turquoise Grandidierite, Round, Translucent
8 mm (calibrated)
$ 453.58
7.18ct Turquoise Grandidierite, Pear Shape, Translucent
14 x 11.4 mm
$ 1,573.28
13.98ct Turquoise Grandidierite, Oval, SI
16.5 x 13.7 mm
$ 7,658.24
7.33ct Turquoise Grandidierite, Emerald Cut, SI-I1
16 x 9 mm
$ 240.92
3.37ct Turquoise Grandidierite, Oval, Translucent
10.4 x 8.3 mm
$ 184.61
3.11ct Turquoise Grandidierite, Oval, Translucent
10 x 8 mm (calibrated)
$ 170.37
5.27ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 404.17
2.86ct Turquoise Grandidierite, Oval, Translucent
11.1 x 8.4 mm
$ 313.34
11.10ct Turquoise Grandidierite, Oval, Translucent
14.8 x 13.3 mm
$ 364.83
3.15ct Turquoise Grandidierite, Oval, SI-I1
10.9 x 9.5 mm
$ 115.04
9.51ct Turquoise Grandidierite, Oval, Translucent
14.7 x 11.1 mm
$ 273.81
2.85ct Turquoise Grandidierite, Pear Shape, Translucent
11.2 x 8.1 mm
$ 141.93
6.55ct Turquoise Grandidierite, Pear Shape, Translucent
13 x 11 mm (calibrated)
$ 1,435.24
9.07ct Turquoise Grandidierite, Pear Shape, Translucent
15.7 x 11.4 mm
$ 298.11
6.33ct Turquoise Grandidierite, Oval, Translucent
14 x 10 mm (calibrated)
$ 1,387.03
2.17ct Turquoise Grandidierite, Pear Shape, Translucent
9.5 x 7.2 mm
$ 118.87
6.91ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 1,514.12
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 
Ia've been searching for a source to get my gemstones for awhile now and was very happy to come across this website. Amazing variety for any income.
Overall Rating -> 10
I was able to find what i needed once I worked out what I was looking for.
Overall Rating -> 10
hassle free experience.
Overall Rating -> 10
Fairly good selection of calibrated gems but would like to see more in various sizes, esp rounds,
Overall Rating -> 10
Love how easy the site is to use. Really love that the pictures are of actual product.
Overall Rating -> 10
Enjoy the ease or ordering
