Buy 13 mm Round Calibrated Gemstones from GemSelect
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Gemtypes in Category:
Agate (23)
Amethyst (1)
Bloodstone (1)
Chalcedony (3)
Citrine (8)
Coral (1)
Howlite (8)
Jadeite (1)
Labradorite (13)
Larimar (1)
Maw-Sit-Sit (7)
Morganite (3)
Pearl (1)
Pietersite (4)
Quartz (7)
Quartz Cat's Eye (7)
Rose Quartz (3)
Rutile Quartz (53)
Smoky Quartz (60)
Star Garnet (1)
Star Moonstone (3)
Star Sunstone (1)
Strawberry Quartz (1)
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8.11ct Yellow Rutile Quartz, Round, Transparent
13 mm (calibrated)
$
22.03
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6.75ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$
11.10
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7.25ct Multicolor Labradorite, Round, Translucent
13 mm (calibrated)
$
15.60
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6.41ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$
10.54
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6.34ct Brown Smoky Quartz, Round, VVS
13 mm (calibrated)
$
12.44
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13.04ct Green Maw-Sit-Sit, Round, Opaque
13 mm (calibrated)
$
42.86
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6.05ct Brown Smoky Quartz, Round, VS
13 mm (calibrated)
$
9.95
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7.07ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$
11.62
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6.40ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$
10.52
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9.24ct Brown Smoky Quartz, Round, VVS
13 mm (calibrated)
$
25.31
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6.97ct Brown Smoky Quartz, Round, VVS
13 mm (calibrated)
$
13.68
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7.13ct Yellow Rutile Quartz, Round, Transparent
13 mm (calibrated)
$
19.37
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14.04ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$
11.19
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5.99ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$
19.69
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6.92ct Multicolor Labradorite, Round, Translucent
13 mm (calibrated)
$
14.89
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8.80ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$
7.01
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6.63ct Brown Smoky Quartz, Round, VVS-VS
13 mm (calibrated)
$
10.91
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6.89ct White Quartz, Round, VVS
13 mm (calibrated)
$
9.75
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7.79ct Yellow Rutile Quartz, Round, Transparent
13 mm (calibrated)
$
21.17
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13.48ct Multicolor Agate, Round, Opaque
13 mm (calibrated)
$
10.74
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16.89ctw Multicolor Labradorite, Round, Translucent
13 mm (calibrated)
$
41.04
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30.36ctw White Howlite, Sphere / Ball, Opaque
13 mm (calibrated)
$
14.42
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7.37ct White Quartz, Round, VVS
13 mm (calibrated)
$
10.42
View Gem
12.98ctw Multicolor Labradorite, Round, Translucent
13 mm (calibrated)
$
27.93
View Gem
Why Buy Round Shape 13 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 -> 9
Easy to use. Many options to find the right gemstone
Posted By Liz in May, 2026
Source: Bizrate
Overall Rating -> 8
Good prices
Posted By TRM in October, 2025
Source: Bizrate
Overall Rating -> 10
On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc
Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate
Overall Rating -> 10
Always get a nice gemstone. Just like the picture. Never disappointed
Posted By Ron T in June, 2026
Source: Bizrate
Overall Rating -> 9
They have literally everything on this website! The prices are also pretty good, I was able to find plenty of nice stones that I could afford!
Posted By JC in March, 2026
Source: Bizrate
Overall Rating -> 10
easy site to navigate
Posted By Curt's Cabochons in June, 2025
Source: Bizrate