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: 725868
Weight: 0.45ct
Size: 5.2 x 5.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 4.32
Item in Stock
More Options & Item Details
Add to Cart
ID: 712476
Weight: 0.79ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 1.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 696848
Weight: 50.09ct
Size: 32.1 x 29.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 642673
Weight: 0.65ct
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 391515
Weight: 9.04ct
Size: 20.6 x 16 mm
Clarity: Opaque
Content: 1 pc
Price: $ 143.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 699537
Weight: 0.82ct
Size: 5.5 x 5.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 35.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 543909
Weight: 0.15ct
Size: 3.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 326.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 714772
Weight: 0.44ct
Size: 5.8 x 4.3 mm
Clarity: VS
Content: 1 pc
Price: $ 23.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 476071
Weight: 3.72ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 392762
Weight: 13.81ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 91.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 738976
Weight: 0.37ct
Size: 4.9 x 4.7 mm
Clarity: VVS
Content: 1 pc
Price: $ 3.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 486829
Weight: 51.44ct
Size: 37.8 x 28 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 735013
Weight: 4.75ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 28.50
Item in Stock
More Options & Item Details
Add to Cart
ID: 681878
Weight: 10.03ct
Size: 22.4 x 11 mm
Clarity: Transparent
Content: 1 pc
Price: $ 96.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 735811
Weight: 34.58ct
Size: 39.1 x 21 mm
Clarity: Translucent
Content: 1 pc
Price: $ 28.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 384002
Weight: 6.33ct
Size: 12.7 x 10.3 mm
Clarity: VS
Content: 1 pc
Price: $ 401.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 485743
Weight: 6.14ct
Size: 14.3 x 11.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 51.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 470007
Weight: 12.72ct
Size: 12 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 635159
Weight: 1.83ct
Size: 9 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 48.31
Item in Stock
More Options & Item Details
Add to Cart
ID: 448649
Weight: 9.81ct
Size: 18.4 x 9.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 32.36
Item in Stock
More Options & Item Details
Add to Cart
ID: 711085
Weight: 1.61ct
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 32.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 609115
Weight: 2.04ct (total)
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 37.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 526634
Weight: 2.42ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 25.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 479882
Weight: 6.51ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 60.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 396130
Weight: 5.46ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 267.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 719788
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: 721207
Weight: 0.46ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 3.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 467759
Weight: 5.61ct (total)
Size: 3.1 mm
Clarity: Transparent
Content: 30 pcs
Price: $ 37.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 592322
Weight: 0.54ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 540057
Weight: 3.85ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 28.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 715111
Weight: 2.31ct (total)
Size: 6 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 5.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 446534
Weight: 3.91ct
Size: 12 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 12.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 434547
Weight: 1.64ct
Size: 6.5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 43.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 346221
Weight: 2.66ct (total)
Size: 2.4 x 2.3 mm
Clarity: VVS-VS
Content: 30 pcs
Price: $ 298.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 712312
Weight: 5.48ct
Size: 16 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 14.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 528678
Weight: 1.51ct
Size: 8.7 x 4.9 mm
Clarity: VS
Content: 1 pc
Price: $ 131.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 724767
Weight: 1.13ct
Size: 10 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 33.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 665022
Weight: 1.38ct
Size: 8.4 x 6.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 9.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 455148
Weight: 3.68ct
Size: 11.9 x 6.3 mm
Clarity: VS
Content: 1 pc
Price: $ 34.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 492826
Weight: 11.26ct (total)
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 81.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 685562
Weight: 1.11ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 10.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 534242
Weight: 2.94ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 622817
Weight: 5.21ct
Size: 14.5 x 9.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 88.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 721002
Weight: 0.48ct
Size: 8 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 4.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 685881
Weight: 1.79ct
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 32.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 462032
Weight: 4.20ct (total)
Size: 12.1 x 6 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 50.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 392306
Weight: 73.08ct
Size: 35.2 x 23.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 558502
Weight: 1.55ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 4.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 711629
Weight: 19.62ct
Size: 20 x 15 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 164.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 552993
Weight: 1.17ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 662670
Weight: 21.21ct (total)
Size: 25.3 x 15.6 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 15.01
Item in Stock
More Options & Item Details
Add to Cart
ID: 730466
Weight: 0.69ct
Size: 5.3 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 41.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 706643
Weight: 1.61ct
Size: 16.2 x 5 mm
Clarity: VVS
Content: 1 pc
Price: $ 9.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 418152
Weight: 11.85ct (total)
Size: 16.4 x 10.7 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 23.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 415995
Weight: 1.16ct
Size: 15 x 3.1 mm
Clarity: VS
Content: 1 pc
Price: $ 36.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 642158
Weight: 3.02ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 656630
Weight: 1.27ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 7.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 619997
Weight: 20.16ct (total)
Size: 20 x 15 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 53.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 712889
Weight: 3.88ct
Size: 12 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 55.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 512782
Weight: 2.55ct
Size: 9 x 7.4 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 55.16
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
744
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

Great selection of gems at a reasonable price

Posted By Curt in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very food

Posted By Keeto in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to find what I wanted

Posted By Villian in December, 2024
Source: Bizrate

Overall Rating -> 9 star ratings

Been using them for years! Very satisfied with the products.

Posted By PI SC in May, 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

When I need a specific stone, gem select is my go to shop. Always a good experience and a great product.

Posted By LeAnn in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

love the site, the experience and the products.

Posted By Ckingpots 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 -> 9 star ratings

Will know more once order received

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