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: 621639
Weight: 1.49ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 485134
Weight: 5.09ct (total)
Size: 9 x 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 26.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 639565
Weight: 15.45ct
Size: 19.6 x 13.2 mm
Clarity: VS
Content: 1 pc
Price: $ 129.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 448378
Weight: 1.49ct
Size: 8 mm (calibrated)
Clarity: VVS-VS
Price: $ 7.87
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 721161
Weight: 0.50ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 529068
Weight: 1.76ct
Size: 8.1 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 153.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 625133
Weight: 2.66ct
Size: 13.6 x 10.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 8.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 389722
Weight: 2.06ct
Size: 9.9 x 7.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 13.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 708389
Weight: 1.18ct
Size: 7 x 5.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 24.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 661872
Weight: 20.44ct
Size: 31.6 x 19.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 63.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 386698
Weight: 4.30ct
Size: 17.1 x 8.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 38.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 471783
Weight: 12.95ct
Size: 17 x 13.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 3,418.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 385166
Weight: 5.75ct
Size: 23.4 x 11.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 571160
Weight: 0.87ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 471654
Weight: 1.61ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 212.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 647746
Weight: 1.04ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 27.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 709136
Weight: 1.96ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 40.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 672151
Weight: 24.63ct
Size: 29.2 x 17 mm
Clarity: Translucent
Content: 1 pc
Price: $ 29.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 678050
Weight: 0.39ct (total)
Size: 2.7 x 2.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 234.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 445857
Weight: 5.20ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 517341
Weight: 1.50ct
Size: 10 x 5.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 138.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 695114
Weight: 3.02ct
Size: 8.5 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 549165
Weight: 3.79ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 25.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 730481
Weight: 2.78ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 24.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 683037
Weight: 0.49ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Price: $ 4.12
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 709329
Weight: 1.23ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 725553
Weight: 0.35ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 3.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 720604
Weight: 2.74ct (total)
Size: 6.8 x 5.5 mm
Clarity: VS
Content: 2 pcs
Price: $ 263.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 650115
Weight: 1.72ct (total)
Size: 5.9 x 5.7 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 14.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 682714
Weight: 0.29ct (total)
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 138.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 618775
Weight: 15.21ct (total)
Size: 16 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 40.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 517059
Weight: 29.54ct
Size: 29.9 x 13.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 621909
Weight: 1.92ct
Size: 8.4 x 6.8 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 40.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 724933
Weight: 26.96ct
Size: 21.6 x 17.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 97.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 399655
Weight: 5.01ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 316.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 639449
Weight: 1.79ct
Size: 7.8 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 497574
Weight: 2.08ct
Size: 8.4 x 6.8 mm
Clarity: VS
Content: 1 pc
Price: $ 54.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 597761
Weight: 2.74ct
Size: 13.8 x 6.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 36.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 494027
Weight: 10.46ct
Size: 16.1 x 11.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 392666
Weight: 13.17ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 86.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 664616
Weight: 1.55ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 498102
Weight: 29.20ct (total)
Size: 18.9 x 11.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 40.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 396417
Weight: 1.14ct
Size: 7.6 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 71.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 637058
Weight: 1.04ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 699235
Weight: 0.95ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 480817
Weight: 3.30ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: Translucent
Content: 8 pcs
Price: $ 25.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 711434
Weight: 2.64ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 52.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 694494
Weight: 24.29ct
Size: 29.2 x 16.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 26.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 445714
Weight: 3.52ct
Size: 12.4 x 9.3 mm
Clarity: VS
Content: 1 pc
Price: $ 25.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 539306
Weight: 2.47ct
Size: 7.5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 435464
Weight: 10.98ct
Size: 18.8 x 13.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 487020
Weight: 8.54ct
Size: 17.4 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 87.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 696114
Weight: 40.40ct
Size: 38.3 x 27.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 513392
Weight: 0.81ct
Size: 5.8 x 5.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 58.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 495456
Weight: 17.47ct (total)
Size: 18.6 x 11.4 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 24.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 401206
Weight: 7.27ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 484722
Weight: 2.96ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 19.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 694309
Weight: 19.08ct
Size: 20 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 57.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 451222
Weight: 1.56ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 14.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 438764
Weight: 2.73ct (total)
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 53.51
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
461
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

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 -> 9 star ratings

It was a good experience looking for and finding a nice amethyst stone

Posted By N/a in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

First time so this is an experiment! Shopping is so fun on this site, though!

Posted By Gem Delight in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very professional site

Posted By JR in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I purchased from you before and I have never been disappointed. I always received what I expected and your products are very nice.

Posted By MVK in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I am filling a small treasure chest and picked a nice amethyst.

Posted By VinnyD in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have shopped at Gemselect for nearly 20 years. I especially like that you see pictures of the exact gem you are purchasing. You are a trusted source.

Posted By DNaber in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Site is easy to navigate and the variety is great and how often new products are added is also great.

Posted By Jhidron in March, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

Excellent selection of stones -including ones I had never heard of before -nice site and fairly easy to use

Posted By DrD in May, 2025
Source: Bizrate
Enlarged Gemstone Image