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
Clear Colors
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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 (40)
Labradorite (16)
Malaya Garnet (7)
Moonstone (1)
Morganite (1)
Opal (9)
Peridot (10)
Prehnite (1)
Pyrope Garnet (2)
Rainbow Moonstone (5)
Ruby (37)
Smoky Quartz (2)
Sphalerite (15)
Sphene (3)
Star Diopside (4)
Star Sapphire (1)
Sunstone (4)
Tanzanite (5)
Tiger's Eye (1)
Topaz (2)
Tourmaline (72)
Zircon (150)
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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:
572785
Weight:
0.64ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
21.12
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:
495949
Weight:
1.19ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
66.77
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:
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:
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:
656738
Weight:
avg. 0.92 ct / each
Size:
6 mm (calibrated)
Clarity:
Opaque
Price:
$
1.09
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:
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:
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:
680709
Weight:
1.02ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
25.50
Item in Stock
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ID:
714935
Weight:
1.34ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
3.47
Item in Stock
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ID:
498602
Weight:
1.06ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
55.97
Item in Stock
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ID:
732832
Weight:
0.54ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
22.68
Item in Stock
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ID:
737360
Weight:
1.66ct
Size:
6 mm (calibrated)
Clarity:
Opaque
Content:
1 pc
Price:
$
9.96
Item in Stock
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ID:
655157
Weight:
0.84ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
7.06
Item in Stock
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ID:
737492
Weight:
0.92ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
23.00
Item in Stock
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ID:
625398
Weight:
2.16ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
40.10
Item in Stock
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ID:
711010
Weight:
0.96ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
19.16
Item in Stock
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ID:
687575
Weight:
2.12ct (total)
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
2 pcs
Price:
$
6.20
Item in Stock
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ID:
608455
Weight:
2.43ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
76.98
Item in Stock
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ID:
684554
Weight:
1.22ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
1.75
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:
732046
Weight:
1.11ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
26.64
Item in Stock
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ID:
608970
Weight:
2.38ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS
Content:
2 pcs
Price:
$
75.40
Item in Stock
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ID:
358893
Weight:
2.23ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
2 pcs
Price:
$
42.46
Item in Stock
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ID:
513058
Weight:
1.10ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
5.66
Item in Stock
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ID:
449664
Weight:
3.59ct (total)
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
3 pcs
Price:
$
23.70
Item in Stock
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ID:
613254
Weight:
1.07ct
Size:
6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
29.43
Item in Stock
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ID:
608459
Weight:
2.39ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
75.72
Item in Stock
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ID:
627986
Weight:
1.17ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.50
Item in Stock
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ID:
691233
Weight:
1.12ct
Size:
6 mm (calibrated)
Clarity:
SI-I1
Content:
1 pc
Price:
$
67.20
Item in Stock
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ID:
685877
Weight:
1.06ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
19.51
Item in Stock
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ID:
359120
Weight:
4.75ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
4 pcs
Price:
$
90.42
Item in Stock
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ID:
358589
Weight:
2.25ct (total)
Size:
6 mm (calibrated)
Clarity:
VVS-VS
Content:
2 pcs
Price:
$
42.79
Item in Stock
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ID:
729070
Weight:
1.37ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
147.96
Item in Stock
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ID:
490598
Weight:
3.90ct (total)
Size:
6 mm (calibrated)
Clarity:
VS
Content:
4 pcs
Price:
$
38.27
Item in Stock
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ID:
712217
Weight:
0.97ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
19.37
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:
712883
Weight:
0.93ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
15.48
Item in Stock
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ID:
680965
Weight:
1.01ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
33.00
Item in Stock
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ID:
685867
Weight:
0.96ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.68
Item in Stock
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ID:
685873
Weight:
0.95ct
Size:
6 mm (calibrated)
Clarity:
VS
Content:
1 pc
Price:
$
17.48
Item in Stock
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ID:
585111
Weight:
1.99ct (total)
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
2 pcs
Price:
$
10.95
Item in Stock
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ID:
477535
Weight:
1.77ct (total)
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
4 pcs
Price:
$
49.79
Item in Stock
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ID:
712685
Weight:
1.06ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
21.17
Item in Stock
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ID:
729874
Weight:
0.86ct
Size:
6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
144.48
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:
680700
Weight:
0.95ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
28.50
Item in Stock
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ID:
680735
Weight:
0.85ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
25.50
Item in Stock
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ID:
684556
Weight:
1.12ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
1.61
Item in Stock
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ID:
711543
Weight:
1.26ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
25.16
Item in Stock
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ID:
680712
Weight:
1.03ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
30.90
Item in Stock
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ID:
684275
Weight:
0.97ct
Size:
6 mm (calibrated)
Clarity:
Translucent
Content:
1 pc
Price:
$
93.12
Item in Stock
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ID:
499507
Weight:
1.21ct
Size:
6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
502.26
Item in Stock
More Options & Item Details
ID:
680820
Weight:
0.85ct
Size:
6 mm (calibrated)
Clarity:
SI
Content:
1 pc
Price:
$
25.50
Item in Stock
More Options & Item Details
ID:
722630
Weight:
1.40ct
Size:
6 mm (calibrated)
Clarity:
VS-SI
Content:
1 pc
Price:
$
151.20
Item in Stock
More Options & Item Details
ID:
712226
Weight:
0.95ct
Size:
6 mm (calibrated)
Clarity:
Transparent
Content:
1 pc
Price:
$
18.97
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
there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life
Posted By Kickbass.2 in January, 2025
Source: Bizrate
Overall Rating -> 10
Very professional site
Posted By JR in January, 2025
Source: Bizrate
Overall Rating -> 10
Enjoy every moment
Posted By Ferns in October, 2025
Source: Bizrate
Overall Rating -> 10
Awesome
Posted By D in December, 2024
Source: Bizrate
Overall Rating -> 9
I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.
Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate
Overall Rating -> 9
I wish there were options for jewelry settings
Posted By Tim in May, 2025
Source: Bizrate
Overall Rating -> 10
Very food
Posted By Keeto in July, 2025
Source: Bizrate
Overall Rating -> 7
Okay thank you.
Posted By Bepc61 in March, 2025
Source: Bizrate
Overall Rating -> 10
nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic
Posted By Steve m. in February, 2025
Source: Bizrate