X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

6.40 ct Blue Chalcedony Gemstone, Chalcedony Gem in Cushion Mixed Cut Shape for Sale.
Photos are of Actual Product for Sale
6.40 ct Blue Chalcedony Stone, Natural Chalcedony in Cushion Mixed Cut Shape for Sale Chalcedony Gemstone in 12 x 12 mm (calibrated) Size for Sale, Chalcedony Stone in Purplish Blue Color

6.40ct Natural Purplish Blue Chalcedony, Cushion, Translucent

9.2 out of 10
See Bizrate Ratings for GemSelect
Chalcedony Product ID: 718551
Type: Chalcedony
Chalcedony Weight: 6.40 ct Chalcedony 1 gem
Chalcedony Size: 12 x 12 mm calibrated Chalcedony
Chalcedony Size: 12 x 11.9 x 6.3 mm Chalcedony
Chalcedony Exact Size: 11.99 x 11.94 x 6.33 mm
Length x Width x Depth
Chalcedony Shape: Cushion Mixed Cut Chalcedony
Chalcedony Color: Purplish Blue Chalcedony
Chalcedony Clarity: Translucent Chalcedony
Chalcedony Treatment: Untreated
Chalcedony Origin: Namibia Chalcedony
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

$
28.80
Item in Stock
Certified Gemstones

RISK FREE

30 DAY RETURN MONEY BACK GUARANTEE

100%

FULLY GUARANTEED

Product Description

This is a 6.40 carat natural purplish blue Chalcedony gem, 1 pc in cushion shape with an exact size of 11.99 x 11.94 x 6.33 mm. This loose Chalcedony gemstone was mined in Namibia and its clarity is Translucent. No treatment has been applied on this natural Chalcedony 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

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 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 -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great selection of gems at a reasonable price

Posted By Curt 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