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: 597440
Weight: 1.45ct
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 691559
Weight: 2.31ct
Size: 13.5 x 8.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 124.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 680688
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 28.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 714846
Weight: 19.23ct
Size: 19 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 49.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 700065
Weight: 31.47ct
Size: 34.8 x 22 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 705967
Weight: 1.40ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 11.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 644770
Weight: 4.19ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 560077
Weight: 1.77ct
Size: 8.4 x 6.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 39.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 604679
Weight: 39.46ct
Size: 37.4 x 23.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 394388
Weight: 9.44ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 62.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 606875
Weight: 1.99ct (total)
Size: 9.1 x 5.1 mm
Clarity: VS
Content: 2 pcs
Price: $ 13.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 683527
Weight: 5.12ct
Size: 14 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 47.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 694320
Weight: 1.08ct
Size: 16 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 516612
Weight: 20.31ct
Size: 18.1 x 17.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 23.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 539294
Weight: 2.02ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 442370
Weight: 1.90ct
Size: 7 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 50.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 631599
Weight: 5.89ct
Size: 12.7 x 10 mm
Clarity: Transparent
Content: 1 pc
Price: $ 70.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 717163
Weight: 22.38ct
Size: 25.6 x 15.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 451058
Weight: 1.71ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 15.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 675959
Weight: 7.22ct
Size: 17 x 11.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 43.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 640456
Weight: 1.12ct
Size: 6.2 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 588567
Weight: 6.21ct
Size: 14.9 x 10.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 590856
Weight: 38.41ct
Size: 27 x 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 253.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 692976
Weight: 36.84ct
Size: 34.5 x 11.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 13.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 717966
Weight: 0.10ct (total)
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 96.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 704911
Weight: 1.28ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 347761
Weight: 26.95ct
Size: 20 x 20 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 32.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 734702
Weight: 3.88ct (total)
Size: 10 x 5 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 162.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 363827
Weight: 16.94ct
Size: 32.2 x 14.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 44.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 418283
Weight: 8.81ct (total)
Size: 14 x 10.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 17.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 497081
Weight: 2.55ct
Size: 9.1 x 7.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 45.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 663352
Weight: 2.66ct
Size: 9.2 x 7.5 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 63.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 657299
Weight: 1.08ct
Size: 6.1 x 5.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 571940
Weight: 1.29ct (total)
Size: 7.7 x 3.9 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 13.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 682549
Weight: 17.69ct
Size: 20.4 x 12.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 169.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 239069
Weight: 8.09ct
Size: 16 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 686060
Weight: 0.27ct
Size: 5.1 x 2.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 17.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 559917
Weight: 4.86ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 44.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 473877
Weight: 0.96ct
Size: 8.8 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 69.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 548661
Weight: 1.24ct
Size: 6.6 x 6 mm
Clarity: VS
Content: 1 pc
Price: $ 89.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 664637
Weight: 1.24ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 480652
Weight: 4.94ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 35.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 477272
Weight: 4.05ct
Size: 13.3 x 8.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 32.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 396456
Weight: 15.30ct
Size: 32.8 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 456253
Weight: 1.53ct
Size: 7.4 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 14.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 639862
Weight: 0.38ct
Size: 5.4 x 3.6 mm
Clarity: VS
Content: 1 pc
Price: $ 20.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 675178
Weight: 2.97ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 24.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 734810
Weight: 5.51ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 33.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 682457
Weight: 9.04ct
Size: 19.4 x 8.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 86.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 544837
Weight: 1.79ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 492830
Weight: 10.02ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 72.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 471830
Weight: 6.06ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 24.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 719580
Weight: 0.60ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 10.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 686094
Weight: 7.73ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 9.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 438366
Weight: 1.71ct
Size: 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 37.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 704927
Weight: 1.18ct
Size: 9.2 x 6.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 559407
Weight: 2.22ct
Size: 7 x 7 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 45.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 547787
Weight: 1.72ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 499676
Weight: 1.41ct
Size: 7.6 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 5.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 669212
Weight: 8.00ct
Size: 21.2 x 8.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 172.80
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
34
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 -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found what I was looking for...had to look up millimeters to inches. It would be nice to see something, like a quarter, in the pix to show relative size. I plan on buy loose gemstones for every month in the calendar

Posted By TheP in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I enjoy doing buisness with GemSelect. It is always a pleasure and you get what you ordered!

Posted By Ballpark in December, 2024
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

Excellent selection and easy to use, well done site

Posted By Steph in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoyed shopping.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

looked at pink stones and at sapphires bought some sapphires. I love looking and collecting gemstones. .

Posted By Steven M. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate
Enlarged Gemstone Image