Buy 6.5 mm Round Calibrated Gemstones from GemSelect
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Bi-color
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Black Round Shape 6.5 mm Gems
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Blue Round Shape 6.5 mm Gems
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Brown
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Golden
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Gray Round Shape 6.5 mm Gems
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Green Round Shape 6.5 mm Gems
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Multicolor Round Shape 6.5 mm Gems
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Orange Round Shape 6.5 mm Gems
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Pink Round Shape 6.5 mm Gems
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Purple Round Shape 6.5 mm Gems
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Red Round Shape 6.5 mm Gems
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Turquoise Round Shape 6.5 mm Gems
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Violet
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White Round Shape 6.5 mm Gems
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Yellow Round Shape 6.5 mm Gems
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Why Buy Round Shape 6.5 Mm Gems from GemSelect?
- Trusted Worldwide Since 2003
- Supplying natural gemstones to jewelers and collectors in 120+ countries
- Verified natural gemstones
- View All GemSelect Reviews on Bizrate
- Secure checkout and insured worldwide delivery
- 30-day returns and satisfaction guarantee
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10 
I could see the actual gem I was buying
Posted By Bugs in December, 2025
Source: Bizrate
Overall Rating -> 8 
The website was easy to use and there were a lot of good options, I was satisfied.
Posted By Brielly in January, 2026
Source: Bizrate
Overall Rating -> 10
Very good.
Posted By Tommy in December, 2025
Source: Bizrate
Overall Rating -> 9 
I think therea's no problem
Posted By Napoleon in August, 2025
Source: Bizrate
Overall Rating -> 10
I found the filter options excellent. Yours was the third site I visited (asked chat got for reputable online sellers of loose gems) and the first I purchased from as I was able to easily find what I was looking for.
Posted By Kelly in May, 2026
Source: Bizrate
Overall Rating -> 10
Wonderful purchase, can't wait to see the stone.
Posted By Tim in January, 2026
Source: Bizrate
