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: 394965
Weight: 1.13ct
Size: 7.4 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 55.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 733156
Weight: 3.40ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 696161
Weight: 28.22ct
Size: 27.1 x 18.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 678066
Weight: 8.04ct
Size: 26.9 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 547634
Weight: 1.37ct
Size: 6 x 6 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 27.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 564819
Weight: 4.16ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 27.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 727339
Weight: 0.24ct
Size: 4 x 3.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 10.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 596442
Weight: 0.60ct
Size: 6 x 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 24.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 416351
Weight: 0.96ct
Size: 18.3 x 2.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 315564
Weight: 3.77ct (total)
Size: 3.2 x 3.2 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 84.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 410353
Weight: 5.08ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 33.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 694864
Weight: 2.52ct
Size: 9.1 x 5.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 75.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 370008
Weight: 27.10ct
Size: 30.4 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 697732
Weight: 0.62ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 695861
Weight: 13.23ct
Size: 14.3 x 11.2 mm
Clarity: VS
Content: 1 pc
Price: $ 396.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 387992
Weight: 2.71ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 17.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 347760
Weight: 29.24ct
Size: 27.8 x 22.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 651948
Weight: 8.41ct
Size: 17.2 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 658741
Weight: 13.99ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 469424
Weight: 19.72ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 595172
Weight: 1.09ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 100.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 697461
Weight: 0.66ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Price: $ 3.96
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 371501
Weight: 7.47ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 6 pcs
Price: $ 49.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 454629
Weight: 29.77ct (total)
Size: 20.8 x 13.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 39.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 712234
Weight: 7.05ct (total)
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 18.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 644091
Weight: 3.25ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 8.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 736701
Weight: 1.02ct
Size: 8.5 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 7.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 715828
Weight: 2.81ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 610310
Weight: 19.98ct
Size: 24.5 x 22.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 501629
Weight: 1.99ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 15.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 558904
Weight: 1.06ct
Size: 7.6 x 5.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 732543
Weight: 5.77ct
Size: 11.8 x 9.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 207.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 608867
Weight: 8.08ct (total)
Size: 12 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 149.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 699103
Weight: 2.94ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 400252
Weight: 2.98ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 673482
Weight: 1.33ct
Size: 7.4 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 430364
Weight: 2.44ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 437841
Weight: 2.10ct
Size: 7.9 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 97.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 475504
Weight: 6.79ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 62.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 396083
Weight: 3.83ct
Size: 8.5 x 8.4 mm
Clarity: VS
Content: 1 pc
Price: $ 187.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 385158
Weight: 7.88ct
Size: 21.3 x 11.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 70.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 687041
Weight: 6.13ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 695119
Weight: 9.10ct
Size: 14.6 x 9.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 273.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 655782
Weight: 9.01ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 688118
Weight: 9.43ct
Size: 24.8 x 12.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 365536
Weight: 1.98ct
Size: 8.3 x 6.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 518911
Weight: 4.91ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 710233
Weight: 5.56ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 46.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 490731
Weight: 4.96ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 36.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 346712
Weight: 1.96ct
Size: 19.8 x 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 56.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 479104
Weight: 2.02ct (total)
Size: 10 x 5 mm
Clarity: VVS
Content: 2 pcs
Price: $ 21.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 367018
Weight: 8.29ct
Size: 15 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 56.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 565516
Weight: 1.89ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 42.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 710775
Weight: 2.15ct
Size: 12 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 498995
Weight: 1.91ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 434975
Weight: 10.76ct (total)
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 14.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 725881
Weight: 1.55ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 602996
Weight: 1.86ct
Size: 8.3 x 6.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 122.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 729948
Weight: 35.81ct
Size: 31.1 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 571144
Weight: 3.66ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 26.95
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
128
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

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 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 -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David 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 -> 9 star ratings

I think therea's no problem

Posted By Napoleon in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Helpselect accomplished all personal growth goals

Posted By Mike in October, 2024
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

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