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!
|
Bi-color
|
Black
|
Blue
|
Brown
|
Golden
|
Gray
|
Green Grandidierite
|
Multicolor
|
Orange
|
Pink
|
Purple
|
Red
|
Turquoise Grandidierite
|
Violet
|
White
|
Yellow
|
Single |
Pairs |
Lots |
Faceted |
Cabochons |
2.98ct Turquoise Grandidierite, Oval, Translucent
10.3 x 8.7 mm
$ 412.34
27.85ct Turquoise Grandidierite, Fancy, SI
15.8 x 25 mm
$ 13,869.30
1.15ct Turquoise Grandidierite, Oval, Transparent
9 x 6 mm (calibrated)
$ 63.00
5.14ct Turquoise Grandidierite, Oval, VS-SI
11.5 x 9.5 mm
$ 225.25
6.33ct Turquoise Grandidierite, Oval, Translucent
14 x 10 mm (calibrated)
$ 1,387.03
2.13ct Turquoise Grandidierite, Oval, Translucent
8.4 x 7.3 mm
$ 453.58
0.89ct Turquoise Grandidierite, Pear Shape, Translucent
6.7 x 5.9 mm
$ 48.75
14.47ct Turquoise Grandidierite, Oval, Translucent
16.5 x 12.7 mm
$ 475.60
3.11ct Turquoise Grandidierite, Oval, Translucent
10 x 8 mm (calibrated)
$ 170.37
1.83ct Turquoise Grandidierite, Pear Shape, Translucent
10.1 x 6.2 mm
$ 100.25
1.97ct Turquoise Grandidierite, Oval, Translucent
8 x 6.8 mm
$ 431.67
1.86ct Turquoise Grandidierite, Oval, Translucent
8.3 x 6.7 mm
$ 101.89
12.41ct Turquoise Grandidierite, Oval, SI-I1
15.6 x 13.3 mm
$ 407.90
2.09ct Turquoise Grandidierite, Pear Shape, Translucent
8.9 x 7.8 mm
$ 114.49
2.64ct Turquoise Grandidierite, Oval, SI
10.9 x 8 mm
$ 115.69
5.59ct Turquoise Grandidierite, Oval, SI-I1
12.2 x 10.8 mm
$ 153.11
3.09ct Turquoise Grandidierite, Oval, Translucent
9.4 x 8.2 mm
$ 236.98
9.05ct Turquoise Grandidierite, Oval, Translucent
14 x 10.5 mm
$ 694.06
8.97ct Turquoise Grandidierite, Oval, Translucent
13 x 11 mm (calibrated)
$ 1,965.51
3.64ct Turquoise Grandidierite, Oval, Translucent
12 x 8 mm (calibrated)
$ 398.80
2.43ct Turquoise Grandidierite, Round, Translucent
8 mm (calibrated)
$ 453.58
1.77ct Turquoise Grandidierite, Oval, VS-SI
8.5 x 6.7 mm
$ 969.61
2.88ct Turquoise Grandidierite, Oval, Translucent
10 x 8 mm (calibrated)
$ 157.77
3.04ct Turquoise Grandidierite, Oval, SI
10 x 8 mm (calibrated)
$ 121.11
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 
Excellent options
Overall Rating -> 7 
easy interface for a pricless buy
Overall Rating -> 10
selection was broad and the check out was quick. Great site
Overall Rating -> 10
GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'
Overall Rating -> 7
Overall the site is good to use and simple to navigate for what i needed and i liked that they are clear and detailed on the size shape and cut of the stones only input id like is for stones that have a specific refractive quality like moonstone in my case if theyd showcase the cut stones refraction so you know how it looks when buying
Overall Rating -> 10
I have a beautiful emerald I purchased from a company names gemselect and they are awesome! You should try them out?
