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 |
14.98ct Greenish Blue Grandidierite, Oval, SI-I1
17.5 x 14.6 mm
$ 810.72
8.89ct Medium Green Blue Grandidierite, Oval, SI-I1
14 x 12 mm (calibrated)
$ 481.13
6.31ct Medium Bluish Green Grandidierite, Oval, SI-I1
13 x 11 mm (calibrated)
$ 341.50
2.00ct Very Light Blue Green Grandidierite, Round, Translucent
8 mm (calibrated)
$ 546.48
7.33ct Light Green Blue Grandidierite, Emerald Cut, SI-I1
16 x 9 mm
$ 290.27
7.18ct Light Green Blue Grandidierite, Pear Shape, Translucent
14 x 11.4 mm
$ 1,895.52
13.98ct Medium Blue Green Grandidierite, Oval, SI
16.5 x 13.7 mm
$ 9,226.80
7.78ct Dark Blue Green Grandidierite, Cushion, VS-SI
15.2 x 10.7 mm
$ 2,053.92
3.05ct Medium Bluish Green Grandidierite, Emerald Cut, SI
13 x 6.9 mm
$ 161.04
17.33ct Bright Blue Green Grandidierite, Pear Shape, SI
17.6 x 16.4 mm
$ 9,531.50
11.74ct Green-Blue Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 3,099.36
9.80ct Pale Blue Green Grandidierite, Pear Shape, SI-I1
20 x 13.2 mm
$ 530.38
14.09ct Medium-Dark Green Blue Grandidierite, Oval, Translucent
15.9 x 13.2 mm
$ 3,719.76
2.68ct Very Light Blue Green Grandidierite, Round, Translucent
8.5 mm (calibrated)
$ 176.88
5.61ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 194.60
4.13ct Greenish Blue Grandidierite, Pear Shape, Translucent
12 x 8.6 mm
$ 272.58
9.51ct Light Bluish Green Grandidierite, Oval, Translucent
14.7 x 11.1 mm
$ 329.89
2.75ct Sea Foam Green Grandidierite, Oval, VS-SI
9.5 x 8.1 mm
$ 435.60
6.41ct Medium-Dark Blue Green Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 1,269.18
8.66ct Greenish Blue Grandidierite, Oval, I1
14.7 x 12.1 mm
$ 342.94
6.72ct Pale Greenish Blue Grandidierite, Oval, Translucent
14 x 10 mm (calibrated)
$ 233.11
1.64ct Blue Green Grandidierite, Oval, SI
8.4 x 7 mm
$ 72.16
2.17ct Pale Sea Foam Grandidierite, Oval, Translucent
9 x 6.4 mm
$ 75.28
9.18ct Greenish Blue Grandidierite, Oval, Translucent
15 x 10 mm (calibrated)
$ 2,423.52
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 
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 -> 9 
I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!
Overall Rating -> 10
I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Overall Rating -> 10
IT WAS GREAT SIMPLE I WAS ABLE TO MAKE AN ACCOUNT EASY AND WAS ABLE TO FAVORITE ALL OF MY FINAL SELECTED GEMS, I JUST LOVE IT.
Overall Rating -> 10
I feel Gemselect is a trustworthy company to buy from
