X
Gemstone Search

Your Details

Please fill in your email address

Please fill in a password

Forgot your password?

Loose Untreated Gemstones: Certified Natural Gems for Collectors and Jewelry, Wholesale Untreated Stones

Untreated Gemstones Weight
Untreated Gemstones Size
Untreated Gemstones Clarity
Untreated Gemstones Price
Untreated Gemstones Treatment

Size Explained

Choose Size or Size Range
For Example: 6-7
For Example: 8-9
Bi-color Untreated Gemstones
Black Untreated Gemstones
Blue Untreated Gemstones
Brown Untreated Gemstones
Golden Untreated Gemstones
Gray Untreated Gemstones
Green Untreated Gemstones
Multicolor Untreated Gemstones
Orange Untreated Gemstones
Pink Untreated Gemstones
Purple Untreated Gemstones
Red Untreated Gemstones
Turquoise Untreated Gemstones
Violet Untreated Gemstones
White Untreated Gemstones
Yellow Untreated Gemstones
Single
Pairs
Lots
Faceted
Cabochons
Clear All
ID: 414406
Weight: 13.83ct
Size: 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 365.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 745439
Weight: 10.95ct
Size: 15.4 x 8.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 344795
Weight: 22.00ct
Size: 19.8 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 39.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 672004
Weight: 10.09ct (total)
Size: 19.8 x 12.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 28.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 709836
Weight: 0.90ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 485381
Weight: 7.83ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 18.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 699779
Weight: 0.27ct
Size: 3.8 mm
Clarity: SI
Content: 1 pc
Price: $ 16.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 673294
Weight: 1.57ct
Size: 8 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 37.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 517533
Weight: 2.19ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 348940
Weight: 39.08ct
Size: 23 x 19 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 67.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 686073
Weight: 0.22ct (total)
Size: 2.7 x 2.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 10.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 713975
Weight: 0.89ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 727085
Weight: 0.86ct
Size: 5.8 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 526045
Weight: 1.03ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 629449
Weight: 31.64ct
Size: 24.4 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 167.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 655424
Weight: 1.00ct
Size: 6.4 x 5.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 1.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 322525
Weight: 8.18ct (total)
Size: 8.5 x 6.9 mm
Clarity: Transparent
Content: 4 pcs
Price: $ 53.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 482235
Weight: 2.24ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 394918
Weight: 5.43ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS
Price: $ 35.84
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 548395
Weight: 12.96ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 48.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 743343
Weight: 4.18ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 188.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 646848
Weight: 0.98ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 25.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 744058
Weight: 1.76ct
Size: 7.7 x 5.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 475.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 451052
Weight: 1.53ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 740688
Weight: 0.06ct
Size: 4 x 2 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 251.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 699785
Weight: 35.34ct
Size: 28.6 x 19.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 716410
Weight: 2.79ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Price: $ 26.78
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 595205
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 488118
Weight: 48.47ct
Size: 46.8 x 30.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 673669
Weight: 15.77ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 226.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 315584
Weight: 3.77ct (total)
Size: 6.4 x 4.6 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 74.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 725549
Weight: 0.40ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 734940
Weight: 5.56ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 544025
Weight: 2.32ct
Size: 8.1 x 6.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 46.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 688001
Weight: 0.90ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 692476
Weight: 19.72ct
Size: 18.2 x 14.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 165.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 672126
Weight: 0.88ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 21.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 321926
Weight: 21.46ct
Size: 28.9 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 198.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 408077
Weight: 8.66ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 20.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 692704
Weight: 22.99ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 193.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 577728
Weight: 19.21ct
Size: 21 x 16.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 148.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 392151
Weight: 4.82ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 4 pcs
Price: $ 127.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 696160
Weight: 26.82ct
Size: 22.6 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 606927
Weight: 2.64ct
Size: 8.4 x 6.3 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 403851
Weight: 7.50ct
Size: 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 39.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 390883
Weight: 1.90ct
Size: 16 x 3.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 55.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 479105
Weight: 2.16ct (total)
Size: 9.9 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 364415
Weight: 1.90ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 100.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 416137
Weight: 1.40ct
Size: 16.5 x 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 40.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 411272
Weight: 4.08ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 121.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 647768
Weight: 25.67ct
Size: 19.1 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 745542
Weight: 0.56ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 516389
Weight: 26.52ct
Size: 23.8 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 649868
Weight: 10.70ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 400238
Weight: 4.24ct (total)
Size: 7.5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 13.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 693877
Weight: 3.64ct
Size: 10 x 6.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 120.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 672182
Weight: 0.99ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 519133
Weight: 1.60ct
Size: 10.8 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 147.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 224386
Weight: 2.20ct (total)
Size: 4 mm (calibrated)
Clarity: VS
Content: 9 pcs
Price: $ 130.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 560534
Weight: 4.68ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.25
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
725
Choose Page
1 - 772

FAQs

What are loose untreated gemstones?

Loose untreated gemstones are natural stones that have not undergone any artificial treatments or enhancements. Examples include unheated sapphires, untreated rubies, and unenhanced diamonds, which maintain their natural beauty and originality.

Why should I choose untreated gemstones over treated ones?

Untreated gemstones, such as unheated topaz and virgin untreated stones, are valued for their authenticity and rarity. These certified untreated gems are perfect for collectors and those seeking ethically sourced, natural stones for unique jewelry designs.

Are untreated gemstones suitable for engagement rings?

Yes, untreated gemstones like GIA-certified natural gems, unenhanced diamonds, and untreated rubies are excellent choices for engagement rings. They offer timeless elegance and are ideal for creating one-of-a-kind designs that reflect personal style.

What makes rare untreated gems valuable for collectors?

Rare untreated gems for collectors, such as authentic untreated crystals and unheated and untreated stones, are prized for their natural appearance and limited availability. Their untouched state makes them highly desirable and a great investment.

How can I ensure the quality of loose untreated gemstones?

Always choose certified untreated gems, like GIA-certified natural gems, to guarantee authenticity and quality. These stones undergo thorough evaluation to ensure they meet the highest standards, making them ideal for both personal collections and jewelry projects.

What types of untreated gemstones are available?

Our collection includes a variety of untreated gemstones such as unheated sapphires, untreated rubies, unenhanced diamonds, and unheated topaz. Each stone is carefully selected to offer unmatched quality and natural beauty.

Are untreated gemstones more expensive than treated ones?

In many cases, untreated gemstones, like precious untreated gemstones and virgin untreated stones, can be more valuable due to their rarity and natural state. Their unique characteristics make them highly sought after by collectors and jewelry enthusiasts.

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

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My whole experience is great.

Posted By Ghs in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

No problems. I had a minor address issue in the past and someone got back to me very quickly and we resolved the issue satisfactorily. I appreciated the quick, concerned response. So important when buyer/seller are so far apart in distance. Thank you Gem Select. Keep up the good work!

Posted By Orphanboy in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love these guys been ordering since 2000 maybe

Posted By JHT in April, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The purchasing process is fairly quick and straightforward and for me user friendly so it probably took more or less than 3 minutes to purchase and pay for the items. I wish there was a discount offer for multiple items to encourage us buyers to purchase more an incentive and add more sales in your end. Besides that, it's been a great purchasing experience and will continue to shop as I am a repeat customer and have bought from your store many times before. Thank you.

Posted By Emmanuel in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

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
Enlarged Gemstone Image