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: 713948
Weight: 0.90ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 693470
Weight: 18.93ct
Size: 19.8 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 732564
Weight: 7.72ct
Size: 15.8 x 10.1 mm
Clarity: VS
Content: 1 pc
Price: $ 277.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 471549
Weight: 1.84ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 242.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 494204
Weight: 3.73ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 686093
Weight: 3.30ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 3.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 662765
Weight: 3.36ct
Size: 12 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 28.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 385426
Weight: 2.82ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 16.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 704634
Weight: 1.94ct
Size: 10.3 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 58.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 590760
Weight: 4.82ct
Size: 10.4 x 10 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 390199
Weight: 0.72ct
Size: 11.9 x 3.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 683145
Weight: 0.19ct
Size: 3.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 108.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 542533
Weight: 0.67ct
Size: 6.1 x 5 mm
Clarity: VS
Content: 1 pc
Price: $ 29.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 689095
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 416325
Weight: 1.35ct
Size: 12.1 x 3.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 42.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 694542
Weight: 19.78ct
Size: 19 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 21.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 488725
Weight: 4.76ct
Size: 10.7 x 9.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 48.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 467087
Weight: 0.56ct
Size: 7.7 x 4.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 40.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 484348
Weight: 1.20ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 448534
Weight: 1.42ct
Size: 7.8 x 5.2 mm
Clarity: VS
Content: 1 pc
Price: $ 903.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 658740
Weight: 17.50ct
Size: 16 x 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 25.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 502944
Weight: 2.55ct
Size: 15.9 x 4.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 84.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 685911
Weight: 21.03ct
Size: 28.2 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 582412
Weight: 19.47ct
Size: 22.7 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 28.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 692911
Weight: 24.01ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 201.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 481422
Weight: 1.07ct
Size: 7.5 x 5 mm
Clarity: SI
Content: 1 pc
Price: $ 28.25
Item in Stock
More Options & Item Details
Add to Cart
ID: 456760
Weight: 1.73ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 15.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 341873
Weight: 3.78ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 36.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 685916
Weight: 21.16ct
Size: 27.9 x 20.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 9.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 678711
Weight: 5.55ct (total)
Size: 10 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 46.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 727482
Weight: 0.89ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 26.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 737142
Weight: 3.89ct
Size: 13 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 19.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 591543
Weight: 1.26ct
Size: 7 x 5.8 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 23.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 718133
Weight: 1.07ct (total)
Size: 5 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 32.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 553111
Weight: 1.73ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.42
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: 724235
Weight: 26.49ct
Size: 16 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 31.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 727849
Weight: 0.80ct
Size: 5.7 x 5.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 718163
Weight: 0.74ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 22.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 712442
Weight: 1.43ct
Size: 10 x 5 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 3.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 650096
Weight: 27.42ct
Size: 33 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 19.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 431447
Weight: 3.69ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 87.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 727876
Weight: 1.18ct
Size: 6.4 x 5.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 493865
Weight: 4.09ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 29.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 443406
Weight: 3.54ct
Size: 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 11.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 381878
Weight: 3.86ct (total)
Size: 3.7 mm
Clarity: VS
Content: 20 pcs
Price: $ 204.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 717941
Weight: 0.66ct
Size: 6 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 19.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 476739
Weight: 23.79ct
Size: 23.9 x 15.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 94.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 322104
Weight: 1.79ct (total)
Size: 4 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 235.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 717919
Weight: 2.06ct (total)
Size: 6.1 x 4.9 mm
Clarity: VVS
Content: 2 pcs
Price: $ 61.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 470996
Weight: 2.00ct
Size: 9 x 8.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 643680
Weight: 1.40ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 33.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 394204
Weight: 21.13ct
Size: 30.7 x 15.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 471923
Weight: 1.45ct
Size: 9.4 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 870.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 592945
Weight: 1.52ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 28.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 517474
Weight: 13.68ct
Size: 17 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 682794
Weight: 6.64ct
Size: 12.8 x 10.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 39.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 486661
Weight: 4.03ct
Size: 11 x 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 437772
Weight: 1.54ct
Size: 19.6 x 3.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 50.82
Item in Stock
More Options & Item Details
Add to Cart
ID: 693089
Weight: 23.77ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 199.67
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
408
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 -> 9 star ratings

Nothing bad to report. Everything is as expected. The gems and the price are all very good.

Posted By Dafanatic in August, 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

I love the gems and your website, every time I want to buy I usually spend between 6 and 8 hours on your website.

Posted By Bryan De David in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

I did not realize these stones were of jewelry quality. They are really beautiful, just not what I was expecting which was more of a natural stone.

Posted By Jewelry Quality Stones in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

easy site to navigate

Posted By Curt's Cabochons in June, 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

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great for buying gemstones, came with authenticity certs. Will buy again someday!

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