X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

11.77 ct Turquoise Grandidierite Gemstone, Grandidierite Gem in Oval Cabochon Shape for Sale.
Photos are of Actual Product for Sale
11.77 ct Turquoise Grandidierite Stone, Natural Grandidierite in Oval Cabochon Shape for Sale Grandidierite Gemstone in 16.9 x 13.8 mm Size for Sale, Grandidierite Stone in Turquoise Color

11.77ct Natural Turquoise Grandidierite, Oval, Translucent

9.7 out of 10
See Bizrate Ratings for GemSelect
Grandidierite Product ID: 471780
Type: Grandidierite
Grandidierite Weight: 11.77 ct Grandidierite 1 gem
Grandidierite Size: mm calibrated Grandidierite
Grandidierite Size: 16.9 x 13.8 x 6.6 mm Grandidierite
Grandidierite Exact Size: 16.87 x 13.81 x 6.59 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

$
1,087.55
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 11.77 carat natural turquoise Grandidierite gem, 1 pc in oval shape with an exact size of 16.87 x 13.81 x 6.59 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

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 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