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: 565356
Weight: 2.10ct
Size: 8 x 5.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 47.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 427830
Weight: 2.50ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 312316
Weight: 5.27ct (total)
Size: 10.7 x 7.6 mm
Clarity: Transparent/Translucent
Content: 2 pcs
Price: $ 31.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 497957
Weight: 28.35ct
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 727307
Weight: 0.53ct
Size: 7.1 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 15.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 712847
Weight: 0.74ct
Size: 6.2 x 5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 14.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 481630
Weight: 21.29ct
Size: 18.8 x 17.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 30.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 525529
Weight: 0.93ct (total)
Size: 8.1 x 4.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 9.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 724984
Weight: 1.59ct
Size: 14 x 3.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 66.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 590242
Weight: 1.63ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 30.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 366570
Weight: 1.09ct
Size: 7 x 5.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 153.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 457165
Weight: 7.29ct
Size: 14.1 x 9.8 mm
Clarity: VS
Content: 1 pc
Price: $ 38.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 398543
Weight: 15.75ct
Size: 31.7 x 14.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 710823
Weight: 1.48ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 742899
Weight: 7.18ct
Size: 15.7 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 706478
Weight: 9.32ct
Size: 14.8 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 656086
Weight: 1.60ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 465517
Weight: 4.56ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 36.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 711078
Weight: 1.83ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 533552
Weight: 2.19ct
Size: 8.7 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 130.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 489706
Weight: 2.42ct (total)
Size: 4.5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 47.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 599837
Weight: 9.16ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 463270
Weight: 3.92ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 723583
Weight: 1.63ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 715843
Weight: 3.78ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 36.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 701265
Weight: 0.96ct
Size: 7.6 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 46.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 688779
Weight: 0.64ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 19.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 682713
Weight: 0.27ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 154.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 350527
Weight: 2.88ct (total)
Size: 2.9 x 2.9 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 65.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 617622
Weight: 25.65ct
Size: 25.2 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 482275
Weight: 2.10ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 478031
Weight: 22.24ct
Size: 24.6 x 21.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 407982
Weight: 12.51ct
Size: 14 x 14 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 691192
Weight: 0.45ct
Size: 4.8 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 37.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 693975
Weight: 2.53ct
Size: 7.5 x 6.6 mm
Clarity: VS
Content: 1 pc
Price: $ 83.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 387579
Weight: 3.15ct (total)
Size: 4.6 x 4.6 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 20.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 701111
Weight: 21.27ct
Size: 29.5 x 15.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 697568
Weight: 0.47ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 10.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 545134
Weight: 0.68ct
Size: 5 x 4.7 mm
Clarity: SI
Content: 1 pc
Price: $ 35.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 319460
Weight: 3.48ct
Size: 10.9 x 8.5 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 9.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 647272
Weight: 1.83ct
Size: 8.3 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 41.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 545272
Weight: 2.55ct
Size: 8.8 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 232.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 704920
Weight: 1.23ct
Size: 10.8 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 36.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 395322
Weight: 12.21ct
Size: 14 x 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 80.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 533986
Weight: 1.97ct
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 450125
Weight: 0.90ct
Size: 9.7 x 3.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 29.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 627480
Weight: 1.80ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 33.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 745786
Weight: 4.60ct
Size: 11.3 x 8.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 230.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 692514
Weight: 22.70ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 190.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 547582
Weight: 2.13ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 714798
Weight: 0.38ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 11.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 715014
Weight: 12.21ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 31.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 554192
Weight: 1.13ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 714978
Weight: 15.88ct
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 309457
Weight: 0.71ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 447947
Weight: 25.29ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 100.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 673111
Weight: 1.00ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 689607
Weight: 0.92ct
Size: 9 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 8.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 428012
Weight: 35.84ct
Size: 30.9 x 23.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 31.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 636402
Weight: 8.98ct
Size: 13.7 x 10.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.29
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
193
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

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I am very pleased with the ways you can filter your searches on this site, finding exactly what I want with little knowledge of what I am looking for is surprisingly easy!

Posted By Leo in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Appreciated the selection. Jadeite is hard to find under $100. Website has alot of variety.

Posted By Jess in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All these questions, and I don't have to give any blood. What a Deal... I absolutely enjoy the Gem Select emails every month. This one today was special. I always say, I'll know it when I see it. This stone today was the One. Odd and Intriguing. Thank You So Much for all that you do.

Posted By G.W. in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have been very happy with my prior purchases and enjoy the website experience.

Posted By Trouble in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am never let down by GemSelect. I love that you get the exact stone you want. Shipping is always in a few days. I have spread the word about GemSelect on social media jewelry creating groups that I attend. This sapphire is going to make one gorgeous ring

Posted By Desertchick in April, 2025
Source: Bizrate
Enlarged Gemstone Image