X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Buy Round Shape 12 mm Gems

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

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Round Shape 12 mm Gems
Blue Round Shape 12 mm Gems
Brown Round Shape 12 mm Gems
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
Cabochons
Clear All
ID: 370171
Weight: 7.51
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 603089
Weight: 7.34
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 96.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 619369
Weight: 5.06
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 599364
Weight: 5.50
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 370166
Weight: 7.56
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 600302
Weight: 6.10
Size: 12 mm (calibrated)
Clarity: Transparent
Price: $ 29.15
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 407970
Weight: 5.67
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 725002
Weight: 6.25
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 706389
Weight: 8.67
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 618958
Weight: 4.86
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 503800
Weight: 5.45
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 21.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 501257
Weight: 6.32
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 58.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 600319
Weight: 6.41
Size: 12 mm (calibrated)
Clarity: VVS
Price: $ 30.62
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 737548
Weight: 9.27
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 55.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 598886
Weight: 5.53
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 22.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 361821
Weight: 24.57
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 32.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 612075
Weight: 5.58
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 625475
Weight: 5.64
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 618957
Weight: 6.16
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 511978
Weight: 6.38
Size: 12 mm (calibrated)
Clarity: VVS
Price: $ 9.18
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 370168
Weight: 7.71
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 715004
Weight: 15.51
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 40.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 438372
Weight: 15.03
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 59.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 417856
Weight: 5.28
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 655865
Weight: 6.66
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 608835
Weight: 5.41
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 35.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 737555
Weight: 8.50
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 51.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 693253
Weight: 7.04
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 6.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 714942
Weight: 7.65
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 500976
Weight: 6.05
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 55.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 438371
Weight: 14.85
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 384492
Weight: 13.84
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 470028
Weight: 12.16
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 706372
Weight: 7.82
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 464015
Weight: 5.84
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 655873
Weight: 6.84
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 438500
Weight: 15.15
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 60.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 463909
Weight: 4.67
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 463965
Weight: 5.13
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 680006
Weight: 4.55
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 163.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 501261
Weight: 5.99
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 55.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 459551
Weight: 5.69
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 11.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 401336
Weight: 8.77
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 28.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 508721
Weight: 0.00
Size: 12 mm (calibrated)
Clarity: Opaque
Price: $ 5.65
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 369620
Weight: 7.50
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 501254
Weight: 5.91
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 54.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 701057
Weight: 13.98
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 13.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 599360
Weight: 5.64
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 27.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 548384
Weight: 14.77
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 55.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 338262
Weight: 4.95
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 600299
Weight: 5.17
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 541494
Weight: 6.50
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 369515
Weight: 8.09
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 34.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 505429
Weight: 5.96
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 82.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 693260
Weight: 7.46
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 505538
Weight: 6.92
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 95.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 361819
Weight: 25.21
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 33.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 655868
Weight: 7.30
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 600324
Weight: 6.39
Size: 12 mm (calibrated)
Clarity: VVS
Price: $ 30.53
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 600304
Weight: 5.59
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 26.71
Item in Stock
More Options & Item Details
Add to Cart

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

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Over pretty well experience the your website no complaints about it very easy reliable service provided

Posted By Blas in January, 2026
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great experience. I can't wait to explore on the website further.

Posted By Kymmie in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love how easy the site is to use. Really love that the pictures are of actual product.

Posted By LeAnn in January, 2026
Source: Bizrate

Overall Rating -> 9 star ratings

Very good and simple exchange

Posted By Waylon in March, 2026
Source: Bizrate
Enlarged Gemstone Image