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

5.21ct Purplish Blue Chalcedony, Cushion Cut, 11.9x11.7 mm

9.7 out of 10
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Chalcedony Product ID: 718580
Type: Chalcedony
Chalcedony Weight: 5.21 ct Chalcedony 1 gem
Chalcedony Size: 12 x 12 mm calibrated Chalcedony
Chalcedony Size: 11.9 x 11.7 x 5.4 mm Chalcedony
Chalcedony Exact Size: 11.87 x 11.69 x 5.44 mm
Length x Width x Depth
Chalcedony Shape: Cushion Checkerboard (double sided) Chalcedony
Chalcedony Color: Purplish Blue Chalcedony
Chalcedony Clarity: Translucent Chalcedony
Chalcedony Treatment: Untreated
Chalcedony Origin: Namibia Chalcedony
Content: 1 pc
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$
23.45
Quantity
2 pieces available
Item in Stock
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Product Description

This is a 5.21 carat natural purplish blue Chalcedony gem, 1 pc in cushion shape with an exact size of 11.87 x 11.69 x 5.44 mm. This loose Chalcedony gemstone was mined in Namibia and its clarity is Translucent. No treatment has been applied on this natural Chalcedony stone

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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

Love the precise descriptions and calibrations of hte loose gemstones. Would like to have seen more variety in the size gem I was looking for.

Posted By RenoRose in January, 2026
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

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

It was fine . Wish there had been more round stones to select from

Posted By Emm in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 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 $ 90.00
Turnaround Time: 8-12 working days Details
Enlarged Gemstone Image