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 |
10.64ct Greenish Blue Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 421.34
2.76ct Electric Blue Tone Grandidierite, Oval, VS-SI
9.5 x 7.1 mm
$ 1,457.28
1.80ct Electric Blue Grandidierite, Pear Shape, VS-SI
9.3 x 7.8 mm
$ 1,188.00
4.65ct Dark Blue Green Grandidierite, Oval, Opaque
11.7 x 8.7 mm
$ 390.60
2.29ct Sea Foam Green Grandidierite, Oval, SI
9 x 7 mm (calibrated)
$ 120.91
2.17ct Turquoise Grandidierite, Pear Shape, Translucent
9.5 x 7.2 mm
$ 143.22
2.75ct Turquoise Grandidierite, Oval, Translucent
10.7 x 7.5 mm
$ 181.50
1.86ct Bluish Green Grandidierite, Oval, Translucent
8.3 x 6.7 mm
$ 122.76
4.89ct Greenish Blue Grandidierite, Oval, Translucent
11.4 x 9.6 mm
$ 645.48
6.01ct Sea Foam Green Grandidierite, Oval, SI-I1
12.7 x 10.1 mm
$ 238.00
4.13ct Greenish Blue Grandidierite, Pear Shape, Translucent
12 x 8.6 mm
$ 272.58
5.96ct Deep Blue Green Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 1,573.44
1.09ct Medium Green Blue Grandidierite, Oval, Translucent
7.1 x 6.6 mm
$ 546.48
3.37ct Green-Blue Grandidierite, Oval, Translucent
10.4 x 8.3 mm
$ 222.42
2.79ct Medium Blue Green Grandidierite, Pear Shape, Translucent
10.3 x 8.3 mm
$ 184.14
9.07ct Greenish Blue Grandidierite, Pear Shape, Translucent
15.7 x 11.4 mm
$ 359.17
3.04ct Medium Bluish Green Grandidierite, Oval, SI
10 x 8 mm (calibrated)
$ 145.92
8.92ct Medium Green Blue Grandidierite, Oval, Translucent
15 x 10.8 mm
$ 309.43
1.45ct Light Blue Green Grandidierite, Pear Shape, VS-SI
9.4 x 6.6 mm
$ 870.00
4.21ct Green-Blue Grandidierite, Oval, Translucent
11.3 x 9.4 mm
$ 146.04
4.83ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 167.54
2.06ct Light Blue Green Grandidierite, Oval, Translucent
9 x 6 mm (calibrated)
$ 59.55
2.58ct Medium Bluish Green Grandidierite, Oval, SI
10 x 8 mm (calibrated)
$ 136.22
5.14ct Deep Turquoise Grandidierite, Oval, VS-SI
11.5 x 9.5 mm
$ 271.39
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 
The website was very easy to use.
Overall Rating -> 10
Great site for finding specific stones and sizes for individual pieces of jewelry
Overall Rating -> 10
So far good. We will see when it comes in
Overall Rating -> 10
Great experience. I can't wait to explore on the website further.
Overall Rating -> 10
Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!
Overall Rating -> 10
The website has a good selection, the interface is very intuitive.
