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6.79 ct Blue Aquamarine Gemstone, Aquamarine Gem in Octagon Step Cut Shape for Sale.
Photos are of Actual Product for Sale
6.79 ct Blue Aquamarine Stone, Natural Aquamarine in Octagon Step Cut Shape for Sale Aquamarine Gemstone in 16.4 x 8.9 mm Size for Sale, Aquamarine Stone in Greenish Blue Color

6.79ct Natural Blue Aquamarine, Emerald Cut, 16.4x8.9 mm

9.6 out of 10
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Product ID: 730372
Type: Aquamarine
Weight: 6.79 ct 1 gem
Size: mm calibrated
Size: 16.4 x 8.9 x 5.7 mm
Exact Size: 16.42 x 8.92 x 5.68 mm
Length x Width x Depth
Shape: Octagon Step Cut
Color: Greenish Blue
Clarity: VS-SI
Treatment: Untreated
Origin: India
Content: 1 pc
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$
543.20
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Product Description

This is a 6.79 carat natural greenish blue Aquamarine gem, 1 pc in octagon / emerald cut shape with an exact size of 16.42 x 8.92 x 5.68 mm. This loose Aquamarine gemstone was mined in India and its clarity is VS-SI. No treatment has been applied on this natural Aquamarine stone

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

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

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
Source: Bizrate

Overall Rating -> 10 star ratings

good navigation and simple interface.

Posted By Dave in April, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

My experience has always been fantastic. Today I saved 6 gems to email a customer looking for a particular color blend to fit into an east west setting, so her options were limited, but we found one she wanted, deleted all the others in the cart and order the gem she selected. It was helpful to be able to put them in the cart so I could save them until she selected the one she wanted without having to research all of them again.

Posted By RJ in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Everything was great, website user friendly, quality amazing, communication amazing, delivery amazing, everything was as expected, they done what they said they would, overall experience was amazing.

Posted By Jac in July, 2025
Source: Bizrate
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