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 |
8.15ct Turquoise Grandidierite, Oval, Translucent
14.4 x 10.6 mm
$ 234.66
3.37ct Turquoise Grandidierite, Oval, SI-I1
11.6 x 8.8 mm
$ 147.69
3.57ct Turquoise Grandidierite, Oval, VS-SI
11 x 9 mm (calibrated)
$ 156.46
8.54ct Turquoise Grandidierite, Oval, Translucent
13.4 x 10.1 mm
$ 233.91
1.82ct Turquoise Grandidierite, Oval, Translucent
8.6 x 6.5 mm
$ 52.40
4.83ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 139.06
3.53ct Turquoise Grandidierite, Oval, SI
10.9 x 9.4 mm
$ 154.70
14.47ct Turquoise Grandidierite, Oval, Translucent
16.5 x 12.7 mm
$ 475.60
2.10ct Turquoise Grandidierite, Oval, Translucent
9 x 7 mm (calibrated)
$ 50.39
4.31ct Turquoise Grandidierite, Oval, SI
12 x 10 mm (calibrated)
$ 188.88
2.17ct Turquoise Grandidierite, Oval, Translucent
9 x 6.4 mm
$ 62.48
1.77ct Turquoise Grandidierite, Oval, VS-SI
8.5 x 6.7 mm
$ 969.61
4.17ct Turquoise Grandidierite, Pear Shape, VS-SI
11.1 x 10.4 mm
$ 182.75
1.80ct Turquoise Grandidierite, Pear Shape, VS-SI
9.3 x 7.8 mm
$ 986.04
9.18ct Turquoise Grandidierite, Oval, Translucent
15 x 10 mm (calibrated)
$ 2,011.52
11.06ct Turquoise Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 2,423.47
4.58ct Turquoise Grandidierite, Oval, Translucent
11.5 x 8.9 mm
$ 1,003.57
5.05ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 132.18
9.07ct Turquoise Grandidierite, Pear Shape, Translucent
15.7 x 11.4 mm
$ 298.11
2.67ct Turquoise Grandidierite, Oval, Translucent
10 x 8 mm (calibrated)
$ 292.53
3.31ct Turquoise Grandidierite, Oval, Translucent
9.8 x 8.5 mm
$ 725.29
27.85ct Turquoise Grandidierite, Fancy, SI
15.8 x 25 mm
$ 13,869.30
12.29ct Turquoise Grandidierite, Oval, Translucent
17.1 x 12.8 mm
$ 403.94
4.28ct Turquoise Grandidierite, Oval, VS-SI
11 x 9.5 mm
$ 187.56
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 
Navigating the site was very easy and the photos of the exact gem you would be purchasing was well done.
Overall Rating -> 10
Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.
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
No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!
Overall Rating -> 10
I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.
Overall Rating -> 10
I love the product and the details about each of them.
