X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

17.66 ct Turquoise Grandidierite Gemstone, Grandidierite Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
17.66 ct Turquoise Grandidierite Stone, Natural Grandidierite in Oval Cabochon Shape for Sale Grandidierite Gemstone in 18 x 13 mm (calibrated) Size for Sale, Grandidierite Stone in Turquoise Color

17.66ct Natural Turquoise Grandidierite, Oval, Translucent

9.2 out of 10
See Bizrate Ratings for GemSelect
Grandidierite Product ID: 548256
Type: Grandidierite
Grandidierite Weight: 17.66 ct Grandidierite 1 gem
Grandidierite Size: 18 x 13 mm calibrated Grandidierite
Grandidierite Size: 18.2 x 12.8 x 9.9 mm Grandidierite
Grandidierite Exact Size: 18.19 x 12.80 x 9.90 mm
Length x Width x Depth
Grandidierite Shape: Oval Cabochon Grandidierite
Grandidierite Color: Turquoise Grandidierite
Grandidierite Clarity: Translucent 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

$
699.34
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 17.66 carat natural turquoise Grandidierite gem, 1 pc in oval shape with an exact size of 18.19 x 12.80 x 9.90 mm. This loose Grandidierite gemstone was mined in Madagascar and its clarity is Translucent. No treatment has been applied on this natural Grandidierite stone

GemSelect Policies

GemSelect Certified Store Reviews

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

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Awesome

Posted By D in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
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 $ 62.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image