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: 673479
Weight: 1.62ct
Size: 8 x 6.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 445898
Weight: 6.38ct
Size: 12.5 x 10.6 mm
Clarity: SI
Content: 1 pc
Price: $ 46.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 547788
Weight: 1.97ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 486426
Weight: 16.99ct
Size: 29.4 x 14.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 17.27
Item in Stock
More Options & Item Details
Add to Cart
ID: 527654
Weight: 3.50ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 25.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 714859
Weight: 1.66ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 551166
Weight: 2.91ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 464310
Weight: 3.95ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 668715
Weight: 12.34ct
Size: 19.2 x 12.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 266.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 478951
Weight: 1.30ct
Size: 9.8 x 5.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 718183
Weight: 1.03ct
Size: 6 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 646928
Weight: 0.61ct (total)
Size: 3.7 mm
Clarity: VS
Content: 2 pcs
Price: $ 18.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 511709
Weight: 0.99ct
Size: 5.7 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 58.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 384556
Weight: 14.69ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 58.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 598427
Weight: 26.64ct
Size: 26.8 x 22.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 479078
Weight: 2.37ct (total)
Size: 10.1 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 701518
Weight: 22.86ct
Size: 17.3 x 15.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 137.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 694862
Weight: 7.05ct
Size: 17.4 x 6.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 211.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 461629
Weight: 20.59ct
Size: 22.2 x 16.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 32.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 721089
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 12.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 604024
Weight: 18.46ct
Size: 27.5 x 16.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 660297
Weight: 1.62ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 3.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 706389
Weight: 8.67ct
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 17.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 523860
Weight: 2.18ct
Size: 8.2 x 7.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 258.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 694471
Weight: 21.27ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 178.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 624266
Weight: 2.34ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 573441
Weight: 0.66ct
Size: 8.5 x 6 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 658163
Weight: 8.23ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 455390
Weight: 1.69ct
Size: 9.7 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 481414
Weight: 1.02ct
Size: 7.4 x 5 mm
Clarity: SI
Content: 1 pc
Price: $ 26.93
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: 704468
Weight: 26.43ct
Size: 37.3 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 6.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 532231
Weight: 5.89ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 42.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 727898
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: 537877
Weight: 0.97ct (total)
Size: 8 x 4.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 6.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 479414
Weight: 2.34ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 672018
Weight: 0.99ct
Size: 6.4 x 4.7 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 675814
Weight: 11.10ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 31.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 577054
Weight: 13.86ct
Size: 17 x 17 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 128.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 554185
Weight: 1.16ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 43.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 712933
Weight: 1.86ct
Size: 9 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 672888
Weight: 1.46ct
Size: 7.7 x 6.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 35.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 648385
Weight: 5.74ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 10.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 694686
Weight: 0.44ct
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 688824
Weight: 4.36ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 707213
Weight: 1.66ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 727108
Weight: 0.59ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 17.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 522417
Weight: 16.00ct
Size: 21.4 x 14.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 126.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 694717
Weight: 3.92ct
Size: 10 x 7 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 117.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 716057
Weight: 4.30ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 41.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 677988
Weight: 7.56ct
Size: 15.5 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 540977
Weight: avg. 1.50 ct / each
Size: 8 x 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 9.88
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 605809
Weight: 16.71ct (total)
Size: 17.7 x 9.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 26.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 707967
Weight: 2.51ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 341752
Weight: 12.30ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 737146
Weight: 3.35ct
Size: 13.7 x 7.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 16.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 585530
Weight: 35.95ct
Size: 30.7 x 26.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 471795
Weight: 1.43ct (total)
Size: 6.6 x 3.8 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 5.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 668349
Weight: 28.90ct
Size: 32.9 x 21.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 104.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 734950
Weight: 4.62ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 27.72
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
282
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

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

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

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the product and the details about each of them.

Posted By Love It! in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Nice website I just don't know much about the quality until I receive the stone.

Posted By Becky in December, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Muy serios y muy oportunos para el envo

Posted By Veronica in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Im not a jeweler, I buy for my personal use. My dad was a jewelry maker and I love gemstones.

Posted By Andie in September, 2024
Source: Bizrate

Overall Rating -> 10 star ratings

Loved everything. High quality, quick shipping, and authentication included.

Posted By Chris in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

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