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Home Gemstones Chalcedony
6.77 ct Blue Chalcedony Gemstone, Chalcedony Gem in Trillion Cabochon Shape for Sale.
Photos are of Actual Product for Sale
6.77 ct Blue Chalcedony Stone, Natural Chalcedony in Trillion Cabochon Shape for Sale Chalcedony Gemstone in 11 x 11 mm (calibrated) Size for Sale, Chalcedony Stone in Lavender Blue Color

6.77ct Natural Blue Chalcedony, Transparent, 11.3x11.2 mm

9.5 out of 10
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Product ID: 303155
Type: Chalcedony
Weight: 6.77 ct 1 gem
Size: 11 x 11 mm calibrated
Size: 11.3 x 11.2 x 7.8 mm
Exact Size: 11.28 x 11.19 x 7.82 mm
Length x Width x Depth
Shape: Trillion Cabochon
Color: Lavender Blue
Clarity: Transparent/Translucent
Treatment: Untreated
Origin: Namibia
Content: 1 pc

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Product Description

This is a 6.77 carat natural lavender blue Chalcedony gem, 1 pc in trillion shape with an exact size of 11.28 x 11.19 x 7.82 mm. This loose Chalcedony gemstone was mined in Namibia and its clarity is Transparent/Translucent. No treatment has been applied on this natural Chalcedony stone

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My current project is something BLUE . Opal earrings with matching tennis bracelet for her wedding. The opals and sixty two sapphires VVS & VS are AMAZINGLY BEAUTIFUL. The private jewelers were impressed by the clarity and inclusion free of the sapphires . I want to say thank you for the High quality sapphires that I purchased for my daughtera's wedding.

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This was my first experience with this company. I had no difficulty finding the item I wanted, and checking out was a breeze! Ia'm hoping my item arrives quickly, intact, and of good quality. Overall, this was a very satisfactory experience.

Posted By Gem connoisseur in August, 2026
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GemSelect offers excellent choices, prices & service- highly recommended! Unfortunately, prior to ordering a replacement gemstone, my jeweler neglected to mention it needed to be one that was a'cushion cuta' to fit the existing mount. Have yet to return/exchangea'

Posted By CJ in March, 2026
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Overall Rating -> 8 star ratings

I visited several online loose stone shops trying to find rare stones. I finally found one that I've been looking for here, and very satisfied. Looking forward to receive the item in 3 weeks.

Posted By Atsu in December, 2025
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