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Home Calibrated Gemstones Round Shape 12 mm Gems

Buy 12 mm Round Calibrated Gemstones from GemSelect

Round Shape 12 mm Gems Weight
Round Shape 12 mm Gems Size
Round Shape 12 mm Gems Clarity
Round Shape 12 mm Gems Price

Size Explained

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For Example: 8-9
Bi-color
Black Round Shape 12 mm Gems
Blue Round Shape 12 mm Gems
Brown Round Shape 12 mm Gems
Golden
Gray Round Shape 12 mm Gems
Green Round Shape 12 mm Gems
Multicolor Round Shape 12 mm Gems
Orange Round Shape 12 mm Gems
Pink Round Shape 12 mm Gems
Purple
Red Round Shape 12 mm Gems
Turquoise Round Shape 12 mm Gems
Violet Round Shape 12 mm Gems
White Round Shape 12 mm Gems
Yellow Round Shape 12 mm Gems
Single
Pairs
Lots
Faceted
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9.85ctw Yellow Citrine, Round, Transparent

12 mm (calibrated)

$ 75.55

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5.56ct Brown Smoky Quartz, Round, VVS-VS

12 mm (calibrated)

$ 9.13

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7.98ct White Quartz Cat'S Eye, Round, Transparent

12 mm (calibrated)

$ 28.34

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8.40ctw Multicolor Labradorite, Round, Translucent

12 mm (calibrated)

$ 18.41

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4.96ct Brown Rutile Quartz, Round, Transparent

12 mm (calibrated)

$ 12.45

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5.28ct Yellow Citrine, Round, VS

12 mm (calibrated)

$ 46.27

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12.82ctw Yellow Quartz, Round, VVS

12 mm (calibrated)

$ 42.37

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5.88ct Yellow Citrine, Round, VVS

12 mm (calibrated)

$ 37.58

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5.06ct Brown Smoky Quartz, Round, VVS

12 mm (calibrated)

$ 21.23

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11.46ctw Yellow Quartz, Round, VVS

12 mm (calibrated)

$ 41.96

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25.94ctw Multicolor Jasper, Sphere / Ball, Opaque

12 mm (calibrated)

$ 28.42

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6.33ct Yellow Quartz, Round, VVS

12 mm (calibrated)

$ 25.10

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5.23ct Pink Rose Quartz, Round, Transparent

12 mm (calibrated)

$ 20.80

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5.22ct Brown Smoky Quartz, Round, Transparent

12 mm (calibrated)

$ 21.90

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5.58ct Brown Smoky Quartz, Round, VVS-VS

12 mm (calibrated)

$ 8.33

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8.13ct Green Jadeite, Round, Translucent

12 mm (calibrated)

$ 26.73

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6.89ctw Multicolor Pietersite, Round, Opaque

12 mm (calibrated)

$ 26.00

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11.09ct Black Star Diopside, Round, Opaque

12 mm (calibrated)

$ 55.23

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5.24ct Multicolor Mystic Quartz, Round, VVS-VS

12 mm (calibrated)

$ 15.65

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6.73ct Blue Larimar, Round, Opaque

12 mm (calibrated)

$ 69.89

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15.28ctw Black Spinel, Round, Opaque

12 mm (calibrated)

$ 50.22

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22.63ctw Multicolor Jasper, Sphere / Ball, Opaque

12 mm (calibrated)

$ 24.79

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6.24ct Multicolor Labradorite, Round, Translucent

12 mm (calibrated)

$ 15.17

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7.53ct Black Spinel, Round, Opaque

12 mm (calibrated)

$ 24.75

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Why Buy Round Shape 12 Mm Gems from GemSelect?

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

Very good

Posted By Niska in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

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 -> 9 star ratings

It was great!

Posted By Annie in September, 2025
Source: Bizrate
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