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 |
22.47ct Turquoise Grandidierite, Oval, Translucent
21 x 15.5 mm
$ 1,723.27
1.07ct Turquoise Grandidierite, Oval, Translucent
8.5 x 5.1 mm
$ 58.61
9.05ct Turquoise Grandidierite, Oval, Translucent
14 x 10.5 mm
$ 694.06
12.41ct Turquoise Grandidierite, Oval, SI-I1
15.6 x 13.3 mm
$ 407.90
8.97ct Turquoise Grandidierite, Oval, Translucent
14.6 x 12.3 mm
$ 258.26
2.64ct Turquoise Grandidierite, Oval, Translucent
10 x 8 mm (calibrated)
$ 453.58
2.86ct Turquoise Grandidierite, Oval, Translucent
11.1 x 8.4 mm
$ 313.34
3.10ct Turquoise Grandidierite, Pear Shape, VS-SI
12.5 x 9.4 mm
$ 135.85
8.85ct Turquoise Grandidierite, Oval, SI-I1
14 x 12 mm (calibrated)
$ 290.88
3.09ct Turquoise Grandidierite, Oval, Translucent
9.6 x 7.4 mm
$ 169.27
14.09ct Turquoise Grandidierite, Oval, Translucent
15.9 x 13.2 mm
$ 3,087.40
6.01ct Turquoise Grandidierite, Oval, SI-I1
12.7 x 10.1 mm
$ 197.54
2.53ct Turquoise Grandidierite, Oval, Translucent
9.3 x 8 mm
$ 138.59
6.34ct Turquoise Grandidierite, Oval, Translucent
14.8 x 10.5 mm
$ 182.55
2.68ct Turquoise Grandidierite, Round, Translucent
8.5 mm (calibrated)
$ 146.81
10.62ct Turquoise Grandidierite, Oval, SI
15.3 x 13.1 mm
$ 349.06
3.51ct Turquoise Grandidierite, Oval, VS-SI
10.4 x 8.6 mm
$ 128.19
22.15ct Turquoise Grandidierite, Oval, Translucent
16.8 x 15.1 mm
$ 728.03
1.40ct Turquoise Grandidierite, Oval, Translucent
8.1 x 6.6 mm
$ 40.30
2.76ct Turquoise Grandidierite, Oval, VS-SI
9.5 x 7.1 mm
$ 1,209.54
2.64ct Turquoise Grandidierite, Oval, SI
10.9 x 8 mm
$ 115.69
2.51ct Turquoise Grandidierite, Oval, SI
10.4 x 7.6 mm
$ 110.00
6.32ct Turquoise Grandidierite, Oval, SI-I1
12.9 x 9.8 mm
$ 207.72
4.32ct Turquoise Grandidierite, Oval, Translucent
11.2 x 8.5 mm
$ 301.19
Why Buy Grandidierite from GemSelect?
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- Supplying natural gemstones to jewelers and collectors in 120+ countries
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- 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 
Love, and have always loved, your website.
Overall Rating -> 10
I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.
Overall Rating -> 10
overall great
Overall Rating -> 9 
The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.
Overall Rating -> 10
Had a great experience and the prices are great
Overall Rating -> 10
I was able to find what I've been looking for.
