X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Buy Oval Shape 12x10 mm Gems

Oval Shape 12x10 mm Gems Weight
Oval Shape 12x10 mm Gems Size
Oval Shape 12x10 mm Gems Clarity
Oval Shape 12x10 mm Gems Price
Oval Shape 12x10 mm Gems Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color
Black Oval Shape 12x10 mm Gems
Blue Oval Shape 12x10 mm Gems
Brown Oval Shape 12x10 mm Gems
Golden Oval Shape 12x10 mm Gems
Gray Oval Shape 12x10 mm Gems
Green Oval Shape 12x10 mm Gems
Multicolor Oval Shape 12x10 mm Gems
Orange Oval Shape 12x10 mm Gems
Pink Oval Shape 12x10 mm Gems
Purple Oval Shape 12x10 mm Gems
Red Oval Shape 12x10 mm Gems
Turquoise Oval Shape 12x10 mm Gems
Violet Oval Shape 12x10 mm Gems
White Oval Shape 12x10 mm Gems
Yellow Oval Shape 12x10 mm Gems
Single
Pairs
Lots
Faceted
Cabochons
Clear All
  • Actual Product Photos
  • Reliable Quality
  • Full Transparency
  • Large Selection
  • Affordable Prices
  • Fast, Secure Global Shipping
ID: 667976
Weight: 6.42ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 663064
Weight: 4.71ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 631640
Weight: 5.37ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 64.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 559922
Weight: 5.01ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 527924
Weight: 8.68ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 62.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 458619
Weight: 4.47ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 704359
Weight: 6.33ct
Size: 12 x 10 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 832.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 715435
Weight: 4.39ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 704533
Weight: 2.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 79.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 564815
Weight: 4.51ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 650869
Weight: 3.78ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 24.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 648006
Weight: 4.38ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 683004
Weight: 6.75ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 410551
Weight: 10.16ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 67.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 559918
Weight: 4.37ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 40.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 663112
Weight: 3.67ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 673467
Weight: 5.61ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 525153
Weight: 6.26ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 99.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 712670
Weight: 3.84ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 711521
Weight: 3.74ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 53.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 494880
Weight: 4.64ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 714889
Weight: 4.85ct
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 121.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 682001
Weight: 4.79ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 510888
Weight: avg. 4.54 ct / each
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Price: $ 29.94
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 715429
Weight: 4.86ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 710073
Weight: 4.73ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 712887
Weight: 4.04ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 58.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 723837
Weight: 3.93ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 37.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 493814
Weight: 4.98ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 494871
Weight: 4.55ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 32.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 716058
Weight: 4.70ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 45.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 560347
Weight: 4.07ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 458303
Weight: 4.74ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 410663
Weight: 10.12ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 66.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 458225
Weight: 4.20ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 8.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 560342
Weight: 5.04ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 46.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 565508
Weight: 4.01ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 712898
Weight: 4.79ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 68.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 428222
Weight: 5.35ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 35.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 494895
Weight: 4.15ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 494890
Weight: 4.34ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 487700
Weight: 5.83ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 54.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 663069
Weight: 4.82ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 493865
Weight: 4.09ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 730831
Weight: 5.14ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 566304
Weight: 3.91ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 643533
Weight: 10.08ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 90.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 688085
Weight: 4.79ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 5.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 662975
Weight: 3.88ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 562916
Weight: 4.67ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 418751
Weight: 7.35ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 562885
Weight: 4.25ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 494905
Weight: 4.32ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 31.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 715471
Weight: 4.23ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 734942
Weight: 4.43ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 26.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 608866
Weight: 8.06ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 148.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 619147
Weight: 6.17ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 81.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 494876
Weight: 4.02ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 566306
Weight: 4.90ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 644072
Weight: 4.30ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 39.11
Item in Stock
More Options & Item Details
Add to Cart

GemSelect Certified Store Reviews

GemSelect: Over 18 Years in the Gemstone Business! Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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 -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Some people by gems by color or price, but for many, it is best to buy gems by shape and size - especially if you're in need of a gem to replace a previous item that was lost or damaged. Calibrated oval shapes, facet cut and cabochon gems available now in 12 x 10 mm size range. Shop a wide range of calibrated gemstones by size online at wholesale from GemSelect.

As a general guideline, when it comes to 'calibrated' gems, they are not usually expected to be cut to exact measurements. For calibrated gemstones weighing under one carat, most jewelry settings will accommodate a gem which is within 0.2 mm of the calibrated size in order to fit a standard setting. For gemstones that weigh over one carat, a larger variance is acceptable, often round shape settings will allow 0.3 mm or slightly higher even. This small variance can usually be accommodated for most standard style settings. Round-cut gemstones should also have a greater variance in acceptable size when it comes to calibration; in fact it is usually possible to mount a round stone of any size in the closest standard setting.

Read All

Over 19 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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 -> 9 star ratings

Site is easy to navigate - details on cut, polish, and finish work and techniques were helpful. 3d view or wireframe diagram of stones would be nice.

Posted By Tb in August, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I really liked the email, and the link that help return me to the site. I didnt have access to my card info while checking out and I had to put my phone away so I lost the tab. Fortunately, since I did give an email- they sent me a link that brought me back to where I was. Greatly appreciated

Posted By Jag in January, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I love the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate
Enlarged Gemstone Image