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: 694504
Weight: 13.81ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 116.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 574042
Weight: 0.95ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 9.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 418612
Weight: 5.39ct
Size: 16.9 x 10.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 10.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 672296
Weight: 0.73ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 17.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 456779
Weight: 4.11ct
Size: 12.2 x 8.7 mm
Clarity: VS
Content: 1 pc
Price: $ 37.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 726060
Weight: 0.38ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 472754
Weight: 4.35ct
Size: 15.3 x 9.2 mm
Clarity: Transparent
Content: 1 pc
Price: $ 60.23
Item in Stock
More Options & Item Details
Add to Cart
ID: 718543
Weight: 6.36ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 28.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 520034
Weight: 1.20ct
Size: 8 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 110.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 601129
Weight: 3.89ct (total)
Size: 12 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 25.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 553501
Weight: 2.36ct
Size: 8.6 x 6.7 mm
Clarity: VS
Content: 1 pc
Price: $ 53.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 548156
Weight: 0.85ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 280.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 687967
Weight: 2.20ct
Size: 9.5 x 7.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 2.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 595198
Weight: 3.02ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 79.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 529137
Weight: 9.51ct
Size: 13 x 13 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 13.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 714342
Weight: 0.46ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 13.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 715844
Weight: 3.66ct
Size: 11.7 x 9.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 35.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 513680
Weight: 14.26ct
Size: 23.6 x 14.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 742073
Weight: 3.06ct
Size: 12 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 30.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 617764
Weight: 1.43ct
Size: 7.2 x 5.9 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 30.41
Item in Stock
More Options & Item Details
Add to Cart
ID: 400246
Weight: 2.94ct
Size: 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 9.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 474328
Weight: 3.20ct
Size: 9.5 x 8.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 29.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 710386
Weight: 2.82ct
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Price: $ 23.69
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 668547
Weight: 8.37ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 10.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 648642
Weight: 17.67ct
Size: 23.6 x 18.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 453649
Weight: 2.76ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 25.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 695214
Weight: 6.70ct
Size: 12.6 x 9.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 201.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 454811
Weight: 25.79ct (total)
Size: 23.6 x 11.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 34.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 480747
Weight: 2.07ct (total)
Size: 5.8 x 3.9 mm
Clarity: VVS-VS
Content: 4 pcs
Price: $ 19.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 650711
Weight: 30.49ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 18.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 706898
Weight: 1.36ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 453734
Weight: 2.01ct
Size: 11 x 8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 660020
Weight: 2.14ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 718579
Weight: 5.40ct
Size: 12 x 12 mm (calibrated)
Clarity: Translucent
Price: $ 20.25
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 663140
Weight: 22.70ct (total)
Size: 26.6 x 14.8 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 16.07
Item in Stock
More Options & Item Details
Add to Cart
ID: 448956
Weight: 3.14ct
Size: 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 10.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 648646
Weight: 17.01ct
Size: 24.1 x 18.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 410350
Weight: 2.44ct (total)
Size: 7.7 x 5.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 11.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 481900
Weight: 1.20ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 34.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 692169
Weight: 0.47ct
Size: 4.7 mm
Clarity: SI-I1
Content: 1 pc
Price: $ 28.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 737180
Weight: 42.52ct
Size: 44.2 x 11 mm
Clarity: Opaque
Content: 1 pc
Price: $ 4.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 414291
Weight: 6.71ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 44.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 632809
Weight: 2.58ct
Size: 10.2 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 18.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 479929
Weight: 3.71ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 34.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 297135
Weight: 27.24ct
Size: 25.4 x 20.8 mm
Clarity: Transparent
Content: 1 pc
Price: $ 35.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 479887
Weight: 3.65ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 33.73
Item in Stock
More Options & Item Details
Add to Cart
ID: 745488
Weight: 1.03ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 32.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 396487
Weight: 0.93ct
Size: 7.7 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 58.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 453494
Weight: 7.88ct
Size: 14 x 9 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 260.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 475672
Weight: 6.19ct
Size: 16 x 12 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 57.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 465849
Weight: 4.36ct (total)
Size: 12 x 6.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 46.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 400136
Weight: 7.23ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 23.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 478283
Weight: 28.77ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 20.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 663321
Weight: 15.36ct (total)
Size: 20.4 x 13.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 10.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 719360
Weight: 0.80ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 6.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 713985
Weight: 0.67ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Price: $ 5.63
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 739113
Weight: 0.81ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 7.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 433707
Weight: 5.62ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 37.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 608474
Weight: 6.61ct (total)
Size: 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 122.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 711293
Weight: 5.20ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 74.88
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
585
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

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

On the clarity options it goes "and better" so if youre looking for si specifically and you click si and better it still shows you basically everything. It just removes the opaques. Itd be nice if it was vs only, vss only, si only, etc

Posted By Iamnotakrustykrab in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, package and info of your gems.

Posted By Diana in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Was a good experience.

Posted By Tim in July, 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 -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

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

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The stones are very nice.

Posted By Mvk in August, 2025
Source: Bizrate
Enlarged Gemstone Image