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: 400805
Weight: 3.08ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 20.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 660663
Weight: 1.41ct
Size: 7.9 x 6.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 711809
Weight: 6.34ct
Size: 14 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 745781
Weight: 4.62ct
Size: 12.6 x 8.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 231.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 308166
Weight: 3.12ct (total)
Size: 3 x 2.9 mm
Clarity: Transparent
Content: 20 pcs
Price: $ 70.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 597802
Weight: 26.04ct
Size: 21.9 x 14 mm
Clarity: Transparent
Content: 1 pc
Price: $ 68.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 387274
Weight: 2.60ct (total)
Size: 4.5 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 17.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 650145
Weight: 4.17ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 669079
Weight: 15.15ct
Size: 17 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 327.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 706399
Weight: 5.54ct
Size: 11.4 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 451298
Weight: 1.43ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 13.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 712192
Weight: 3.69ct
Size: 14 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 495372
Weight: 1.78ct
Size: 7 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 38.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 383321
Weight: 1.66ct
Size: 20.7 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 42.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 567597
Weight: 3.59ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 678354
Weight: 2.90ct
Size: 9 x 6.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 306480
Weight: 45.90ct
Size: 24 x 21.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 66.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 550841
Weight: 1.65ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 708056
Weight: 7.83ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 704637
Weight: 1.10ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 650031
Weight: 9.89ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 463500
Weight: 1.35ct
Size: 7.1 x 4.8 mm
Clarity: VVS
Content: 1 pc
Price: $ 26.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 715487
Weight: 5.67ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 54.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 635827
Weight: 4.20ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 730024
Weight: 0.31ct
Size: 5 x 3 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 14.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 706968
Weight: 1.68ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 458262
Weight: 2.04ct (total)
Size: 4.5 x 3.6 mm
Clarity: VS
Content: 6 pcs
Price: $ 269.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 422563
Weight: 8.25ct
Size: 15.3 x 11.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 739333
Weight: 0.27ct
Size: 4.5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 13.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 640084
Weight: 0.57ct
Size: 5.5 x 4.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 648647
Weight: 19.85ct
Size: 25.8 x 19.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 359626
Weight: 22.96ct
Size: 22.2 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 646753
Weight: 0.64ct
Size: 6.7 x 4.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 478617
Weight: 0.71ct
Size: 7.6 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 716389
Weight: 0.49ct
Size: 6.4 x 3.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 537508
Weight: 2.03ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 60.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 390588
Weight: 2.55ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 164.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 720535
Weight: 1.16ct
Size: 5.8 x 5.6 mm
Clarity: VS
Content: 1 pc
Price: $ 111.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 375989
Weight: 4.10ct
Size: 10.5 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 31.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 691871
Weight: 0.70ct
Size: 5.4 x 4.8 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 42.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 744221
Weight: 18.26ct
Size: 23.9 x 13.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 71.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 659439
Weight: 9.21ct
Size: 17.5 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 710240
Weight: 16.56ct
Size: 20 x 12.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 526.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 587547
Weight: 27.81ct (total)
Size: 13.9 x 12.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 30.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 491007
Weight: 7.87ct (total)
Size: 7 mm (calibrated)
Clarity: Opaque
Content: 5 pcs
Price: $ 23.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 305965
Weight: 1.99ct (total)
Size: 6.8 x 5.6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 13.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 470839
Weight: 5.35ct
Size: 9.5 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 224.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 491846
Weight: 14.58ct (total)
Size: 17.6 x 9.3 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 13.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 736572
Weight: 22.92ct
Size: 24.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 724909
Weight: 1.06ct
Size: 8.8 x 4.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 44.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 663063
Weight: 4.81ct
Size: 12 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 663075
Weight: 0.63ct
Size: 6.1 x 5.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 9.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 322521
Weight: 8.93ct (total)
Size: 8.5 x 7.2 mm
Clarity: Transparent/Translucent
Content: 4 pcs
Price: $ 58.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 656112
Weight: 1.00ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 24.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 744746
Weight: 0.68ct
Size: 5.7 x 4.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 68.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 668365
Weight: 0.09ct
Size: 2.7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 36.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 492258
Weight: 7.03ct
Size: 15.2 x 12 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 484396
Weight: 5.50ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 72.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 467969
Weight: 5.63ct (total)
Size: 3.2 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 37.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 706990
Weight: 2.13ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.11
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
204
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

there are a large number of gems to choose from i have ordered before and these objects are precious to me that my light reflect in them and fills the stones they are there when i need to reflect on life

Posted By Kickbass.2 in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Enjoy every moment

Posted By Ferns in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Gem Select has a user friendly website and the product is very good as is the price. The gems are described accurately and I always get what I think I'm getting.

Posted By Happy Customer in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far, my experience was great...Thanks

Posted By Kaydi in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Fast and reliable service.

Posted By Zæck in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Loved the price and the quality and the certification options which is the main reason why I buy. The guarantee is also a great reason to use gem select.

Posted By Sal in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the ability to choose from many options of shapes, gemstone type, color, and so forth. It is fun!

Posted By Geof in November, 2025
Source: Bizrate
Enlarged Gemstone Image