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 Medium-Dark Blue Green Grandidierite, Oval, Translucent
14 x 12 mm (calibrated)
$ 1,269.18
4.58ct Light Blue Green Grandidierite, Oval, Translucent
11.5 x 8.9 mm
$ 1,209.12
6.02ct Medium-Dark Blue Green Grandidierite, Oval, Translucent
13 x 9 mm (calibrated)
$ 1,188.00
1.80ct Electric Blue Grandidierite, Pear Shape, VS-SI
9.3 x 7.8 mm
$ 1,188.00
1.77ct Blue Green Grandidierite, Oval, VS-SI
8.5 x 6.7 mm
$ 1,168.20
12.25ct Greenish Blue Grandidierite, Pear Shape, Translucent
17.7 x 13.6 mm
$ 1,131.90
11.77ct Turquoise Grandidierite, Oval, Translucent
16.9 x 13.8 mm
$ 1,087.55
4.11ct Blue Green Grandidierite, Oval, Translucent
12 x 9.5 mm
$ 1,085.04
3.78ct Pale Blue Green Grandidierite, Oval, Translucent
11.4 x 8.5 mm
$ 997.92
22.15ct Deep Blue Green Grandidierite, Oval, Translucent
16.8 x 15.1 mm
$ 877.14
3.31ct Teal Tone Grandidierite, Oval, Translucent
9.8 x 8.5 mm
$ 873.84
1.45ct Light Blue Green Grandidierite, Pear Shape, VS-SI
9.4 x 6.6 mm
$ 870.00
9.05ct Turquoise Grandidierite, Oval, Translucent
14 x 10.5 mm
$ 836.22
6.16ct Turquoise Grandidierite, Oval, Translucent
12 x 10 mm (calibrated)
$ 813.12
14.98ct Greenish Blue Grandidierite, Oval, SI-I1
17.5 x 14.6 mm
$ 810.72
18.89ct Greenish Blue Grandidierite, Oval, Translucent
18 x 14 mm
$ 748.04
17.66ct Turquoise Grandidierite, Oval, Translucent
18 x 13 mm (calibrated)
$ 699.34
4.89ct Greenish Blue Grandidierite, Oval, Translucent
11.4 x 9.6 mm
$ 645.48
14.47ct Greenish Blue Grandidierite, Oval, Translucent
16.5 x 12.7 mm
$ 573.01
2.13ct Green-Blue Grandidierite, Oval, Translucent
8.4 x 7.3 mm
$ 546.48
1.96ct Blue Green Grandidierite, Oval, Translucent
9 x 7 mm (calibrated)
$ 546.48
2.00ct Very Light Blue Green Grandidierite, Round, Translucent
8 mm (calibrated)
$ 546.48
1.64ct Light Blue Green Grandidierite, Oval, Translucent
9 x 6 mm (calibrated)
$ 546.48
1.21ct Medium Green Blue Grandidierite, Oval, Translucent
7.1 x 6.6 mm
$ 546.48
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 -> 9 
Nothing bad to report. Everything is as expected. The gems and the price are all very good.
Overall Rating -> 9
Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly
Overall Rating -> 10 
Great for buying gemstones, came with authenticity certs. Will buy again someday!
Overall Rating -> 10
So far So good
Overall Rating -> 10
Very large selection from affordable to high end I will be coming back to shop again!
Overall Rating -> 10
The citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.
