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 |
6.41ct Turquoise Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 1,053.42
4.58ct Turquoise Grandidierite, Oval, Translucent
11.5 x 8.9 mm
$ 1,003.57
6.02ct Turquoise Grandidierite, Oval, Translucent
13 x 9 mm (calibrated)
$ 986.04
1.80ct Turquoise Grandidierite, Pear Shape, VS-SI
9.3 x 7.8 mm
$ 986.04
1.77ct Turquoise Grandidierite, Oval, VS-SI
8.5 x 6.7 mm
$ 969.61
12.25ct Turquoise Grandidierite, Pear Shape, Translucent
17.7 x 13.6 mm
$ 939.48
11.77ct Turquoise Grandidierite, Oval, Translucent
16.9 x 13.8 mm
$ 902.67
4.11ct Turquoise Grandidierite, Oval, Translucent
12 x 9.5 mm
$ 900.58
3.78ct Turquoise Grandidierite, Oval, Translucent
11.4 x 8.5 mm
$ 828.27
22.15ct Turquoise Grandidierite, Oval, Translucent
16.8 x 15.1 mm
$ 728.03
3.31ct Turquoise Grandidierite, Oval, Translucent
9.8 x 8.5 mm
$ 725.29
1.45ct Turquoise Grandidierite, Pear Shape, VS-SI
9.4 x 6.6 mm
$ 722.10
9.05ct Turquoise Grandidierite, Oval, Translucent
14 x 10.5 mm
$ 694.06
6.16ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 674.89
14.98ct Turquoise Grandidierite, Oval, SI-I1
17.5 x 14.6 mm
$ 672.90
18.89ct Turquoise Grandidierite, Oval, Translucent
18 x 14 mm
$ 620.87
17.66ct Turquoise Grandidierite, Oval, Translucent
18 x 13 mm (calibrated)
$ 580.45
4.89ct Turquoise Grandidierite, Oval, Translucent
11.4 x 9.6 mm
$ 535.75
14.47ct Turquoise Grandidierite, Oval, Translucent
16.5 x 12.7 mm
$ 475.60
2.13ct Turquoise Grandidierite, Oval, Translucent
8.4 x 7.3 mm
$ 453.58
1.96ct Turquoise Grandidierite, Oval, Translucent
9 x 7 mm (calibrated)
$ 453.58
2.00ct Turquoise Grandidierite, Round, Translucent
8 mm (calibrated)
$ 453.58
1.64ct Turquoise Grandidierite, Oval, Translucent
9 x 6 mm (calibrated)
$ 453.58
1.21ct Turquoise Grandidierite, Oval, Translucent
7.1 x 6.6 mm
$ 453.58
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 
I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well
Overall Rating -> 10
Always get a nice gemstone. Just like the picture. Never disappointed
Overall Rating -> 10
It was good. There was a large selection at prices I could afford.
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
This is the first time I have used this site. I was dissatisfied with the quality of gems and supplies elsewhere and decided to try GemSelect. They are awesome! I was thrilled to see the variety and the great web performance. There was the ability to search for information as well as gems. Things like the clarity rating system and caret weight of the gems. I have always loved making things and I have just started to make jewelry as a business. However I have never made a ring before and have always wanted to. On GemSelect I was able to find good quality gems to use in my creations. I am so glad the website is so easy to use. Thank you GemSelect.
Overall Rating -> 7 
easy interface for a pricless buy
