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: 673107
Weight: 0.66ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 15.84
Item in Stock
More Options & Item Details
Add to Cart
ID: 646572
Weight: 38.50ct
Size: 41.5 x 26.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 46.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 726807
Weight: 1.00ct
Size: 6 x 4.9 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 18.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 663368
Weight: 3.70ct
Size: 12 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 31.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 639741
Weight: 0.38ct
Size: 5 x 4 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 39.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 736696
Weight: 1.58ct
Size: 10 x 7.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 717019
Weight: 19.82ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 692441
Weight: 33.30ct
Size: 30.7 x 20.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 16.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 494009
Weight: 4.16ct
Size: 11.8 x 8.8 mm
Clarity: Translucent
Content: 1 pc
Price: $ 16.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 636959
Weight: 28.23ct (total)
Size: 20.2 x 10.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 101.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 666397
Weight: 3.96ct (total)
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 81.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 706780
Weight: 2.11ct
Size: 9 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 5.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 387071
Weight: 5.64ct
Size: 12 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 44.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 519751
Weight: 1.59ct
Size: 10 x 8 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 41.98
Item in Stock
More Options & Item Details
Add to Cart
ID: 681901
Weight: 12.26ct
Size: 24.6 x 10.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 117.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 545273
Weight: 2.71ct
Size: 8.4 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 246.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 439021
Weight: 9.20ct
Size: 18.4 x 11.4 mm
Clarity: Transparent
Content: 1 pc
Price: $ 26.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 601392
Weight: 17.43ct (total)
Size: 30.1 x 10.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 84.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 722812
Weight: 0.64ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 19.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 697596
Weight: 0.56ct (total)
Size: 3.8 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 12.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 713680
Weight: 0.94ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 662642
Weight: 2.08ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 49.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 497559
Weight: 1.84ct
Size: 8.2 x 6.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 48.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 631676
Weight: 0.88ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 26.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 429722
Weight: 2.75ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 54.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 612882
Weight: 1.86ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: SI
Content: 2 pcs
Price: $ 61.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 611862
Weight: 2.14ct (total)
Size: 7.1 x 6.2 mm
Clarity: Translucent
Content: 2 pcs
Price: $ 50.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 695385
Weight: 23.29ct
Size: 33.9 x 25.5 mm
Clarity: Opaque
Content: 1 pc
Price: $ 27.95
Item in Stock
More Options & Item Details
Add to Cart
ID: 716061
Weight: 13.17ct
Size: 18 x 13 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 126.43
Item in Stock
More Options & Item Details
Add to Cart
ID: 689926
Weight: 0.94ct
Size: 7 x 6.7 mm
Clarity: VVS
Price: $ 9.02
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 656194
Weight: 1.45ct
Size: 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 567745
Weight: 5.38ct
Size: 12 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 16.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 509246
Weight: 27.20ct
Size: 21.1 x 19.2 mm
Clarity: VVS
Content: 1 pc
Price: $ 251.33
Item in Stock
More Options & Item Details
Add to Cart
ID: 647928
Weight: 1.09ct
Size: 7 x 5 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 28.78
Item in Stock
More Options & Item Details
Add to Cart
ID: 587731
Weight: 1.82ct
Size: 8 x 6 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 48.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 248958
Weight: 2.35ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 6 pcs
Price: $ 155.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 606869
Weight: 1.80ct (total)
Size: 9.2 x 5.2 mm
Clarity: VS
Content: 2 pcs
Price: $ 11.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 692444
Weight: 15.81ct
Size: 16 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 132.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 730106
Weight: 2.66ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 23.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 548003
Weight: 0.81ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 243.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 386440
Weight: 7.55ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 41.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 685248
Weight: 11.12ct
Size: 22.6 x 16.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 11.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 710180
Weight: 1.38ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 672479
Weight: 16.85ct
Size: 27.7 x 16 mm
Clarity: Translucent
Content: 1 pc
Price: $ 20.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 435763
Weight: 3.05ct
Size: 10 x 8 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 20.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 448530
Weight: 1.31ct
Size: 6.8 x 5.7 mm
Clarity: VS
Content: 1 pc
Price: $ 833.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 253156
Weight: 0.72ct
Size: 7 x 3.5 mm
Clarity: VS
Content: 1 pc
Price: $ 95.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 554036
Weight: 19.91ct
Size: 16 x 15.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 24.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 519148
Weight: 2.10ct
Size: 8 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 55.44
Item in Stock
More Options & Item Details
Add to Cart
ID: 525230
Weight: 26.41ct
Size: 23.7 x 18.1 mm
Clarity: Transparent
Content: 1 pc
Price: $ 52.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 712583
Weight: 2.70ct
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 7.19
Item in Stock
More Options & Item Details
Add to Cart
ID: 571511
Weight: 1.76ct
Size: 11.8 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 11.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 608314
Weight: 2.23ct (total)
Size: 7 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 41.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 439311
Weight: 4.29ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 266.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 314833
Weight: 1.81ct
Size: 10.8 x 7.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 95.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 492430
Weight: 4.69ct
Size: 15 x 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 17.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 649880
Weight: 2.04ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 17.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 725820
Weight: 1.10ct
Size: 8.3 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 43.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 689159
Weight: 2.09ct
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 11.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 532519
Weight: 3.51ct
Size: 10 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 25.49
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
84
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

love the site, the experience and the products.

Posted By Ckingpots in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It's mostly good, only some item's are easier to find through the search than the menu

Posted By Wayne in July, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

the gems were smaller than I thought but I was at fault for not reading the complete discrimination

Posted By Tim in May, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

So far So good

Posted By VH-1 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 -> 8 star ratings

First time using this website. It was both exciting finding things in my price range and things Iam gonna save up for and use in other pieces. I love that the picture of the gem is the exact gem I'll be buying. I haven't tested the gems yes but they said they sold me 100% natural gems.

Posted By Salvo in July, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc 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

I have purchased stones from gem select in the past and have been very satisfied. I expect to repeat that experience with this purchase as well

Posted By Marti in July, 2025
Source: Bizrate
Enlarged Gemstone Image