6mm Round Gemstones for Sale
Welcome to GemSelect’s collection of 6mm round gemstones , perfect for crafting unique jewelry pieces. From vibrant rubies to serene moonstones, our carefully curated selection offers a variety of high-quality gems to suit any style or project. Explore now and find the ideal stone for your next creation.
Bi-color
Black 6mm Round Gemstones
Blue 6mm Round Gemstones
Brown 6mm Round Gemstones
Golden 6mm Round Gemstones
Gray 6mm Round Gemstones
Green 6mm Round Gemstones
Multicolor 6mm Round Gemstones
Orange 6mm Round Gemstones
Pink 6mm Round Gemstones
Purple 6mm Round Gemstones
Red 6mm Round Gemstones
Turquoise
Violet 6mm Round Gemstones
White 6mm Round Gemstones
Yellow 6mm Round Gemstones
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Gemtypes in Category:
Amethyst (1)
Cat's Eye Moonstone (3)
Chocolate Opal (1)
Color-Change Garnet (3)
Emerald (9)
Hessonite Garnet (30)
Kyanite (41)
Labradorite (16)
Malaya Garnet (7)
Moonstone (1)
Morganite (1)
Opal (10)
Peridot (10)
Prehnite (1)
Pyrope Garnet (3)
Rainbow Moonstone (5)
Ruby (37)
Smoky Quartz (2)
Sphalerite (15)
Sphene (3)
Star Diopside (4)
Star Sapphire (1)
Sunstone (4)
Tanzanite (6)
Tiger's Eye (1)
Topaz (2)
Tourmaline (73)
Zircon (151)
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ID:
546440
Weight:
avg. 1.11 ct / each
Size:
6 mm (calibrated)
Clarity:
SI-I1
Price:
$
18.77
Item in Stock
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pcs
ID:
495949
Weight:
1.19ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.77
Item in Stock
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ID:
572785
Weight:
0.64ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.12
Item in Stock
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ID:
481877
Weight:
1.13ct
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
24.61
Item in Stock
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ID:
602853
Weight:
2.18ct (total)
Size:
6 mm (calibrated)
Clarity:
SI-I1
Content:
2 pcs
Price:
$
71.94
Item in Stock
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ID:
481435
Weight:
2.14ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
51.25
Item in Stock
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ID:
680709
Weight:
1.02ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
25.50
Item in Stock
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ID:
656738
Weight:
avg. 0.92 ct / each
Size:
6 mm (calibrated)
Clarity:
Opaque
Price:
$
1.09
Item in Stock
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ID:
622559
Weight:
1.06ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
22.30
Item in Stock
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ID:
680787
Weight:
1.32ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
39.60
Item in Stock
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ID:
585127
Weight:
2.17ct (total)
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
35.81
Item in Stock
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ID:
624920
Weight:
1.03ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.02
Item in Stock
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ID:
594215
Weight:
2.47ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
88.03
Item in Stock
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ID:
615334
Weight:
3.09ct (total)
Size:
6 mm (calibrated)
Clarity:
Opaque
Content:
2 pcs
Price:
$
77.50
Item in Stock
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ID:
732046
Weight:
1.11ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
26.64
Item in Stock
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ID:
594715
Weight:
2.27ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
80.90
Item in Stock
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ID:
732991
Weight:
1.35ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.40
Item in Stock
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ID:
481429
Weight:
2.41ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
69.26
Item in Stock
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ID:
481878
Weight:
1.24ct
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
35.65
Item in Stock
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ID:
594714
Weight:
2.56ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
91.24
Item in Stock
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ID:
625259
Weight:
1.05ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
21.43
Item in Stock
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ID:
680926
Weight:
1.04ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
31.20
Item in Stock
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ID:
481450
Weight:
4.30ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
123.56
Item in Stock
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ID:
594220
Weight:
2.16ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
76.98
Item in Stock
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ID:
711106
Weight:
2.32ct (total)
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
46.32
Item in Stock
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ID:
498565
Weight:
1.07ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
56.50
Item in Stock
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ID:
680788
Weight:
0.95ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
28.50
Item in Stock
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ID:
358665
Weight:
2.26ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
43.00
Item in Stock
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ID:
524038
Weight:
0.88ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
4.64
Item in Stock
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ID:
712692
Weight:
0.90ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
17.98
Item in Stock
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ID:
664096
Weight:
0.53ct
Size:
6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
20.99
Item in Stock
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ID:
358652
Weight:
2.52ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
47.93
Item in Stock
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ID:
709080
Weight:
0.97ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.03
Item in Stock
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ID:
358968
Weight:
4.56ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
86.81
Item in Stock
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ID:
509898
Weight:
0.92ct
Size:
6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
36.43
Item in Stock
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ID:
359366
Weight:
4.82ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
95.44
Item in Stock
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ID:
664100
Weight:
0.52ct
Size:
6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
20.59
Item in Stock
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ID:
671632
Weight:
0.88ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
73.92
Item in Stock
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ID:
481923
Weight:
1.19ct
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
1 pc
Price:
$
34.21
Item in Stock
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ID:
711608
Weight:
1.01ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
20.17
Item in Stock
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ID:
359372
Weight:
4.41ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
87.32
Item in Stock
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ID:
358895
Weight:
2.10ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
39.97
Item in Stock
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ID:
646947
Weight:
0.89ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
32.04
Item in Stock
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ID:
721769
Weight:
0.91ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
43.68
Item in Stock
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ID:
608453
Weight:
2.42ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
76.67
Item in Stock
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ID:
712067
Weight:
1.23ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
24.56
Item in Stock
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ID:
691364
Weight:
1.22ct
Size:
6 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
73.20
Item in Stock
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ID:
359586
Weight:
4.73ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
90.34
Item in Stock
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ID:
594219
Weight:
2.30ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
81.97
Item in Stock
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ID:
728990
Weight:
1.30ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
140.40
Item in Stock
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ID:
683982
Weight:
2.10ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
3.02
Item in Stock
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ID:
732591
Weight:
0.68ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
26.11
Item in Stock
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ID:
660346
Weight:
1.22ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
2.94
Item in Stock
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ID:
359364
Weight:
4.54ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
89.89
Item in Stock
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ID:
358884
Weight:
4.60ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
87.55
Item in Stock
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ID:
358902
Weight:
2.47ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
47.02
Item in Stock
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ID:
712687
Weight:
0.93ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
18.58
Item in Stock
More Options & Item Details
ID:
728939
Weight:
1.32ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
142.56
Item in Stock
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ID:
359353
Weight:
2.41ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
47.72
Item in Stock
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ID:
359369
Weight:
4.93ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
97.62
Item in Stock
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FAQs
What types of 6mm round gemstones does GemSelect offer?
GemSelect provides a wide variety of 6mm round gemstones, including popular options like ruby, sapphire, amethyst, emerald, garnet, topaz, and more exotic choices such as moonstone, opal, and zircon.
Are these gemstones natural or synthetic?
All 6mm round gemstones at GemSelect are 100% natural unless otherwise specified in the product description. We pride ourselves on offering authentic, high-quality gems.
Can I use these gemstones for jewelry making?
Yes, our 6mm round gemstones are calibrated to fit standard jewelry settings, making them ideal for rings, earrings, pendants, and other custom designs.
How do I choose the right gemstone for my project?
Consider factors like color, hardness, and clarity based on your jewelry design. For example, sapphires and rubies are durable for everyday wear, while softer stones like opal may suit occasional pieces. Our detailed product listings include these specifics to help you decide.
Do you offer bulk discounts for 6mm round gemstones?
Yes, GemSelect often provides discounts on bulk purchases or gemstone lots. Check individual product pages or contact our customer service for more details on available offers.
What is the return policy for loose gemstones?
GemSelect offers a hassle-free return policy. If you’re not satisfied with your 6mm round gemstone purchase, you can return it within a specified period, typically 30 days, provided the stone is in its original condition. Please review our return policy for full details.
GemSelect Certified Store Reviews
GemSelect: Over 22 Years in the Gemstone Business! Thank you for trusting us with your purchase!
Overall Rating -> 10
I have ordered from Genselect before and always had a great experience. My go to source!
Posted By Kycaver in October, 2024
Source: Bizrate
Overall Rating -> 10
Ive been looking for a place to buy loose gemstones for years and was thrilled when I found this site
Posted By Bern in October, 2024
Source: Bizrate
Overall Rating -> 10
I always enjoy the selection and the unique cuts I can find here. I would love to see more hex cuts tho! Maybe some rose cuts too!
Posted By Blkfower83 in October, 2024
Source: Bizrate
Overall Rating -> 10
Site is easy to navigate and the variety is great and how often new products are added is also great.
Posted By Jhidron in March, 2025
Source: Bizrate
Overall Rating -> 10
Found a beautiful opal at a great price. I was not disappointed when it arrived. Even better in person.
Posted By Fried Rice in August, 2025
Source: Bizrate
Overall Rating -> 10
I would recommend gem select yo everyone
Fast service and no problems
Posted By Steve in March, 2025
Source: Bizrate
Overall Rating -> 10
Nice website I just don't know much about the quality until I receive the stone.
Posted By Becky in December, 2024
Source: Bizrate
Overall Rating -> 10
Very professional site
Posted By JR in January, 2025
Source: Bizrate
Overall Rating -> 10
Helpselect accomplished all personal growth goals
Posted By Mike in October, 2024
Source: Bizrate