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: 673442
Weight: 1.74ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 73.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 634236
Weight: 37.88ct (total)
Size: 27 x 20 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 172.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 737292
Weight: 1.96ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 88.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 673212
Weight: 1.03ct
Size: 6.8 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 24.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 724870
Weight: 0.61ct
Size: 7.8 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 25.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 348776
Weight: 36.58ct
Size: 32.4 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 653430
Weight: 6.65ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 693785
Weight: 31.33ct
Size: 33.1 x 18 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 555113
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 6.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 737107
Weight: 15.60ct
Size: 23.3 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 428231
Weight: 6.21ct
Size: 13 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 40.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 639561
Weight: 1.45ct
Size: 11.6 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 12.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 526865
Weight: 0.97ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 715539
Weight: 3.91ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 613294
Weight: 0.93ct
Size: 5.8 x 5.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 608855
Weight: 55.41ct (total)
Size: 25.3 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 87.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 686625
Weight: 0.14ct
Size: 4.7 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 6.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 475524
Weight: 4.23ct
Size: 11 x 8.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 22.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 391068
Weight: 4.08ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 161.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 721415
Weight: 0.51ct
Size: 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 736786
Weight: 8.31ct
Size: 16 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 655781
Weight: 9.33ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 461758
Weight: 1.40ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 65.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 714138
Weight: 0.38ct
Size: 4.3 mm
Clarity: SI
Content: 1 pc
Price: $ 11.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 548562
Weight: 3.63ct
Size: 11.3 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 23.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 529446
Weight: 1.17ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 594728
Weight: 0.90ct
Size: 5 x 5 mm (calibrated)
Clarity: SI
Price: $ 21.38
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 725585
Weight: 0.88ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 8.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 392399
Weight: 7.15ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 47.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 526048
Weight: 1.07ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Price: $ 28.25
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 587269
Weight: 1.63ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 150.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 719021
Weight: 0.62ct
Size: 5.3 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 11.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 427539
Weight: 2.54ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 688848
Weight: 1.46ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 324056
Weight: 3.22ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 26.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 595044
Weight: 16.81ct
Size: 17.8 x 18.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 66.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 617528
Weight: 1.56ct
Size: 7.9 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 33.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 719935
Weight: 3.22ct
Size: 8.5 x 7.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 96.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 416178
Weight: 1.19ct
Size: 15.9 x 2.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 492827
Weight: 11.46ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 82.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 621906
Weight: 1.86ct
Size: 8.5 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 334615
Weight: 1.57ct
Size: 9.2 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 89.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 349394
Weight: 1.42ct
Size: 7.4 x 6.2 mm
Clarity: VS
Content: 1 pc
Price: $ 178.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 512034
Weight: 17.38ct
Size: 21.6 x 12.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 25.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 599290
Weight: 6.60ct
Size: 14.2 x 10.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 28.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 461395
Weight: 1.27ct (total)
Size: 4 x 3.3 mm
Clarity: VS
Content: 5 pcs
Price: $ 167.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 708633
Weight: 4.14ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 125.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 687805
Weight: 4.30ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 12.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 663969
Weight: 2.69ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 439368
Weight: 2.27ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 140.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 485963
Weight: 5.19ct
Size: 13.1 x 9.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 43.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 447533
Weight: 2.32ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 110.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 461516
Weight: 1.19ct (total)
Size: 4.2 x 3.5 mm
Clarity: VS
Content: 4 pcs
Price: $ 157.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 348658
Weight: 3.47ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 32.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 721618
Weight: 13.11ct
Size: 20.6 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 47.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 643787
Weight: 0.94ct
Size: 6.6 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 22.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 721803
Weight: 6.64ct
Size: 12.3 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 728191
Weight: 0.03ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 527544
Weight: 0.92ct
Size: 7.5 x 5.8 mm
Clarity: VS
Content: 1 pc
Price: $ 9.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 711049
Weight: 17.05ct
Size: 20.7 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.70
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
397
Choose Page
1 - 774

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

excellent deals-excellent service-fair prices

Posted By JD in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the way your website shows us what stone were buying as well the easy way to navigate the site. also knowing the stones are real...

Posted By RED in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's always a pleasure doing business with Gem Select. Outstanding products ant very reasonable prices. Thank You One and All.

Posted By G.W. or Bakyow in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I searched for the size, dimensions and quality of the stones I was looking for and then compared and ordered.

Posted By Tim in March, 2025
Source: Bizrate

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

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

great experience

Posted By T in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

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
Enlarged Gemstone Image