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: 428613
Weight: 5.27ct
Size: 12.2 x 8.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 34.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 737164
Weight: 6.00ct
Size: 13 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 687580
Weight: 3.67ct (total)
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 10.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 706460
Weight: 22.62ct
Size: 18.5 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 363176
Weight: 22.84ct
Size: 24.7 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 60.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 708249
Weight: 1.99ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 338684
Weight: 1.22ct
Size: 6.8 x 6.7 mm
Clarity: SI
Content: 1 pc
Price: $ 66.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 687786
Weight: 7.16ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 21.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 722750
Weight: 23.63ct
Size: 27.3 x 15.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 198.49
Item in Stock
More Options & Item Details
Add to Cart
ID: 552246
Weight: 2.83ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 26.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 706430
Weight: 12.09ct
Size: 14.7 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 490999
Weight: 11.93ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 4 pcs
Price: $ 35.11
Item in Stock
More Options & Item Details
Add to Cart
ID: 681909
Weight: 0.96ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 17.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 669502
Weight: 7.62ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 22.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 433849
Weight: 5.56ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 36.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 718305
Weight: 0.04ct
Size: 2 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 341874
Weight: 3.99ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 36.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 706396
Weight: 11.60ct
Size: 14 x 12 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 23.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 358154
Weight: 3.96ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 23.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 659432
Weight: 7.44ct
Size: 20.2 x 10.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 17.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 739565
Weight: 0.46ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 713433
Weight: 19.00ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 159.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 708071
Weight: 20.80ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 16.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 644429
Weight: 1.25ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 30.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 639588
Weight: 0.31ct
Size: 5.4 x 3.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 31.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 664523
Weight: 1.82ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 39.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 662178
Weight: 3.93ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 9.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 363686
Weight: 28.58ct
Size: 28.4 x 17.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 56.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 676334
Weight: 3.26ct
Size: 14.5 x 13.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 455512
Weight: 21.78ct (total)
Size: 20.9 x 15.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 28.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 310828
Weight: 3.06ct (total)
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 12 pcs
Price: $ 181.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 273239
Weight: 22.71ct
Size: 20.3 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 59.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 431076
Weight: 2.98ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 70.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 714166
Weight: 0.51ct
Size: 4.5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 15.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 693982
Weight: 1.06ct
Size: 6.2 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 29.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 733102
Weight: 0.45ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 394389
Weight: 5.44ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 35.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 716394
Weight: 0.91ct
Size: 10.5 x 4.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 57.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 710326
Weight: 0.82ct
Size: 6 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 554289
Weight: 1.18ct
Size: 6.9 x 4.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 644192
Weight: 1.26ct
Size: 7.1 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 30.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 712198
Weight: 5.25ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 13.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 556213
Weight: 0.76ct
Size: 6.1 x 3.8 mm
Clarity: VS
Content: 1 pc
Price: $ 20.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 714091
Weight: 1.56ct (total)
Size: 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 46.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 545044
Weight: 2.96ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 11.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 619139
Weight: 16.40ct (total)
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 43.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 594576
Weight: 1.31ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 675709
Weight: 10.36ct (total)
Size: 14 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 29.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 725862
Weight: 2.29ct (total)
Size: 7 x 6 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 90.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 713773
Weight: 0.75ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 450037
Weight: 2.45ct (total)
Size: 7 x 5.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 29.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 482228
Weight: 2.35ct
Size: 8.5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 16.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 458480
Weight: 1.57ct (total)
Size: 4.5 x 3.4 mm
Clarity: VS
Content: 5 pcs
Price: $ 207.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 636619
Weight: 0.92ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 48.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 724903
Weight: 5.41ct
Size: 9.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 6.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 661829
Weight: 2.40ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 454949
Weight: 24.46ct (total)
Size: 19.5 x 12 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 32.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 699166
Weight: 3.45ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 477054
Weight: 29.05ct
Size: 18.2 x 15 mm
Clarity: Opaque
Content: 1 pc
Price: $ 115.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 405217
Weight: 6.73ct
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 47.44
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
287
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

Easy to conduct search, good amount of stock to select from along with variety of prices.

Posted By Que in June, 2025
Source: Bizrate

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

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I found exactly what I was looking for and ordered it. I like how you give information on the stones I'm buying. Glad I found you!

Posted By TheP in April, 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 good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I'm happy.

Posted By Ray in January, 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