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: 376665
Weight: 1.76ct
Size: 7.6 x 6.6 mm
Clarity: Transparent/Translucent
Content: 1 pc
Price: $ 13.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 524837
Weight: avg. 7.67 ct / each
Size: 11 mm (calibrated)
Clarity: Opaque
Price: $ 4.64
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 519896
Weight: 16.07ct
Size: 21.1 x 10.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 18.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 645185
Weight: 2.27ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 12.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 672515
Weight: 0.78ct
Size: 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 18.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 747203
Weight: 0.14ct
Size: 3.4 mm
Clarity: VS
Content: 1 pc
Price: $ 283.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 517339
Weight: 21.47ct
Size: 15 x 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 727887
Weight: 1.75ct
Size: 7.5 x 6.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 10.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 705449
Weight: 10.19ct
Size: 14 x 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 9.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 605083
Weight: 1.26ct (total)
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 29.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 517848
Weight: 1.84ct
Size: 12.2 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 167.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 437936
Weight: 1.49ct
Size: 16 x 3 mm
Clarity: VVS
Content: 1 pc
Price: $ 49.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 463486
Weight: 3.62ct (total)
Size: 11.9 x 5.8 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 47.93
Item in Stock
More Options & Item Details
Add to Cart
ID: 707120
Weight: 1.86ct
Size: 8 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 393481
Weight: 8.43ct
Size: 13 x 13 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 55.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 449739
Weight: 4.55ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 30.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 720789
Weight: 0.48ct
Size: 8 x 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 728206
Weight: 0.51ct
Size: 5.4 x 4.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 3.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 713712
Weight: 0.77ct
Size: 7.6 x 5.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 6.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 619138
Weight: 9.66ct (total)
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 25.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 731000
Weight: 12.56ct
Size: 15.5 x 12.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 532515
Weight: 3.23ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 324059
Weight: 4.08ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 33.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 595286
Weight: 2.71ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 71.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 528680
Weight: 1.84ct
Size: 8.7 x 5.2 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 160.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 393584
Weight: 1.89ct (total)
Size: 3.1 x 1.8 mm
Clarity: VS
Content: 25 pcs
Price: $ 137.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 584842
Weight: 50.87ct
Size: 28.1 x 21.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 728196
Weight: 0.04ct
Size: 2.1 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 315233
Weight: 1.42ct
Size: 11.2 x 7.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 78.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 698773
Weight: 2.65ct (total)
Size: 6.7 x 6.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 15.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 558124
Weight: 1.08ct
Size: 5.9 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 85.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 742817
Weight: 2.29ct
Size: 6.7 x 6.6 mm
Clarity: VVS
Content: 1 pc
Price: $ 343.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 675910
Weight: 11.33ct
Size: 15.5 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 42.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 611868
Weight: 2.29ct (total)
Size: 6.9 x 6.1 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 54.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 431309
Weight: 1.78ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 42.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 435746
Weight: 11.11ct
Size: 16 x 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 36.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 407841
Weight: 5.34ct
Size: 12 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 292.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 547996
Weight: 1.00ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 330.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 431570
Weight: 1.42ct
Size: 6.4 x 6.2 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 33.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 705607
Weight: 0.39ct
Size: 4.9 x 3.8 mm
Clarity: SI
Content: 1 pc
Price: $ 15.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 681846
Weight: 7.58ct
Size: 12.6 x 10.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 45.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 683505
Weight: 4.62ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 42.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 554288
Weight: 1.47ct
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 1 pc
Price: $ 38.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 600285
Weight: 13.77ct
Size: 23.6 x 11.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 712702
Weight: 8.95ct
Size: 18 x 13 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 23.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 699083
Weight: 0.75ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Price: $ 6.30
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 706367
Weight: 7.43ct
Size: 13 x 11 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 686823
Weight: 6.38ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 7.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 707207
Weight: 2.14ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 743349
Weight: 1.93ct
Size: 12 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 86.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 636638
Weight: 1.54ct
Size: 9 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 44.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 744494
Weight: 1.54ct
Size: 7.5 x 6.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 64.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 737503
Weight: 1.17ct
Size: 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 659867
Weight: 2.28ct
Size: 7 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 5.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 678060
Weight: 9.37ct
Size: 27.3 x 11.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 694321
Weight: 0.77ct
Size: 8.6 x 4 mm
Clarity: VVS
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 554442
Weight: 0.72ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 21.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 654794
Weight: 3.86ct
Size: 12 x 9.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 50.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 725600
Weight: 0.73ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 7.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 462244
Weight: 3.71ct
Size: 11 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 29.39
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
758
Choose Page
1 - 773

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 citrine gems are beautiful. I appreciated that each stone was individually shown on the website so I could see exactly what I was getting. No mystery person selecting random stones for me. The documentation included with each gem was high quality as well. Great price and arrived as expected.

Posted By Jen in December, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

If you have motion picture, then I will be more satisfied with.

Posted By Ray in November, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Would have bought an indigo and selenite, but neither listed. But, you do offer quite a large assortment otherwise.

Posted By JD in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

went well

Posted By Doug in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very large selection from affordable to high end I will be coming back to shop again!

Posted By GreenGator in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

Posted By JC Karl in September, 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

hassle free experience.

Posted By Jhidron in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate
Enlarged Gemstone Image