X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

3.70 ct Turquoise Grandidierite Gemstone, Grandidierite Gem in Octagon Facet Shape for Sale.
Photos are of Actual Product for Sale
3.70 ct Turquoise Grandidierite Stone, Natural Grandidierite in Octagon Facet Shape for Sale Grandidierite Gemstone in 11.2 x 8.3 mm Size for Sale, Grandidierite Stone in Green-Blue Color

3.70ct Natural Green-Blue Grandidierite, Emerald Cut, SI

9.7 out of 10
See Bizrate Ratings for GemSelect
Grandidierite Product ID: 562672
Type: Grandidierite
Grandidierite Weight: 3.70 ct Grandidierite 1 gem
Grandidierite Size: mm calibrated Grandidierite
Grandidierite Size: 11.2 x 8.3 x 4.7 mm Grandidierite
Grandidierite Exact Size: 11.24 x 8.27 x 4.74 mm
Length x Width x Depth
Grandidierite Shape: Octagon Facet Grandidierite
Grandidierite Color: Green-Blue Grandidierite
Grandidierite Clarity: SI Grandidierite
Grandidierite Treatment: Untreated
Grandidierite Origin: Madagascar Grandidierite
Content: 1 pc
Certificate Options

Checking all Boxes

  • Natural certified gemstones

    Gemstone Laboratories
  • Accept Credit, Debit Card and PayPal

    Payment Options
  • Worldwide shipping

    Shipping Options
  • 30-day risk free return policy

$
195.36
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 3.70 carat natural green-blue Grandidierite gem, 1 pc in octagon / emerald cut shape with an exact size of 11.24 x 8.27 x 4.74 mm. This loose Grandidierite gemstone was mined in Madagascar and its clarity is SI. No treatment has been applied on this natural Grandidierite stone

Policies

GemSelect Certified Store Reviews

GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 9 star ratings

Always a good quality stone. Priced fairly and shipped promptly. Answers emails quickly

Posted By Ron T in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was able to find what I wanted very easily!

Posted By Lenny in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

The website was very easy to use.

Posted By Garnet in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

All good

Posted By DouscheGift in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I was looking for high-quality amethyst on this site, and I was able to compare size, color, and weight in detail before making a purchase.

Posted By Atsuhisa in January, 2026
Source: Bizrate
Download Identification Report PDF
BGL Brief Report $ 18.00
Turnaround Time: 3-4 working days Details
AIG Brief Report $ 35.00
Turnaround Time: 5-10 working days Details
ICA Brief Report $ 90.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image