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: 589853
Weight: 3.32ct (total)
Size: 12 x 5.9 mm
Clarity: VS
Content: 2 pcs
Price: $ 70.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 710971
Weight: 15.40ct
Size: 20.5 x 12.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 30.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 358248
Weight: 1.98ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 52.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 710319
Weight: 2.18ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 714357
Weight: 0.52ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 15.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 350534
Weight: 2.79ct (total)
Size: 3 x 3 mm (calibrated)
Clarity: Transparent
Content: 20 pcs
Price: $ 63.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 499825
Weight: 3.84ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 35.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 712146
Weight: 4.34ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 11.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 517457
Weight: 29.01ct
Size: 23.4 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 621521
Weight: 0.95ct
Size: 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 741106
Weight: 2.62ct
Size: 10.3 x 6.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 329.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 314955
Weight: 1.76ct (total)
Size: 5.7 x 4 mm
Clarity: VS
Content: 5 pcs
Price: $ 116.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 662132
Weight: 12.78ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 15.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 713965
Weight: 1.64ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 27.55
Item in Stock
More Options & Item Details
Add to Cart
ID: 348804
Weight: 26.28ct
Size: 31.8 x 18.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 650936
Weight: 3.88ct (total)
Size: 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 32.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 650973
Weight: 1.85ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 17.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 548392
Weight: 14.62ct (total)
Size: 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 54.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 639427
Weight: 3.66ct
Size: 12.1 x 7.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 18.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 525229
Weight: 28.03ct
Size: 23.7 x 18.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 61.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 674959
Weight: 13.83ct
Size: 18 x 13.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 35.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 476066
Weight: 5.97ct
Size: 16 x 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 55.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 485285
Weight: 7.00ct (total)
Size: 8.5 x 8.3 mm
Clarity: Translucent
Content: 4 pcs
Price: $ 36.96
Item in Stock
More Options & Item Details
Add to Cart
ID: 484229
Weight: 2.35ct (total)
Size: 7.9 x 5.5 mm
Clarity: VS
Content: 2 pcs
Price: $ 31.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 529576
Weight: 7.77ct (total)
Size: 9 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 30.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 262428
Weight: 0.74ct
Size: 7 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 92.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 705729
Weight: 0.67ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Price: $ 5.63
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 396394
Weight: 8.00ct (total)
Size: 9 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 37.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 489414
Weight: 2.86ct (total)
Size: 5 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 56.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 546471
Weight: 1.19ct
Size: 6.5 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 9.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 433749
Weight: 5.86ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 38.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 434853
Weight: 32.97ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 43.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 500977
Weight: 6.20ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 57.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 574309
Weight: 1.82ct
Size: 7.3 x 7.2 mm
Clarity: VS
Content: 1 pc
Price: $ 16.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 392338
Weight: 6.46ct
Size: 11 x 11 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 42.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 582565
Weight: 1.19ct
Size: 8.8 x 6.6 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 62.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 714351
Weight: 0.47ct
Size: 4.2 mm
Clarity: SI
Content: 1 pc
Price: $ 14.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 379038
Weight: 17.07ct (total)
Size: 13 x 13 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 61.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 480674
Weight: 7.06ct (total)
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 3 pcs
Price: $ 50.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 553108
Weight: 1.78ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 10.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 480216
Weight: 2.20ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 4 pcs
Price: $ 20.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 548538
Weight: 1.53ct
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 31.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 732809
Weight: 1.45ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 693007
Weight: 30.02ct
Size: 38.3 x 10.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 10.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 735777
Weight: 25.69ct
Size: 31.6 x 19.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 482164
Weight: 2.19ct
Size: 9 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.79
Item in Stock
More Options & Item Details
Add to Cart
ID: 672884
Weight: 1.68ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 40.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 721881
Weight: 16.82ct
Size: 17.9 x 14.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 20.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 707962
Weight: 3.07ct
Size: 13 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 486984
Weight: 36.39ct
Size: 32.6 x 22.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 522132
Weight: 18.28ct
Size: 36.2 x 14.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 120.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 701052
Weight: 8.79ct
Size: 10 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 8.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 449456
Weight: 1.55ct
Size: 17.2 x 3.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 61.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 393169
Weight: 6.81ct (total)
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 44.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 617622
Weight: 25.65ct
Size: 25.2 x 16.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 724601
Weight: 0.74ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 22.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 479427
Weight: 2.16ct (total)
Size: 10.2 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 22.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 461240
Weight: 6.91ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 63.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 723882
Weight: 55.54ct
Size: 23.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 65.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 521013
Weight: 82.87ct
Size: 29.1 x 25.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 182.31
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
585
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

I love wide range of stones. Always have my preference.

Posted By Ray in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I've purchased from here many times over the last decade+. I find the information easy to understand, helpful, and interesting. I have always been satisfied that I got exactly what I ordered. Pictures and descriptions are clear and unique to each stone.

Posted By Maggie in August, 2025
Source: Bizrate

Overall Rating -> 7 star ratings

Excited to see

Posted By Ss in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

It is a good experience, it is easy to view the item, and easy to check out.

Posted By Neo in November, 2024
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

very good

Posted By Son Gift in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Good. I ts very user friendly.

Posted By Shalini in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Have made 2 purchases so far from GemSelect and they have been amazing! Anytime I requested additional info, videos or pictures of a particular item, the response was always timely and helpful. This is a great place to buy, if you are looking for loose stones. Highly recommend!

Posted By Britnee Rose in September, 2025
Source: Bizrate
Enlarged Gemstone Image