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: 682140
Weight: 0.63ct
Size: 6.8 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 11.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 479414
Weight: 2.34ct (total)
Size: 10 x 5.1 mm
Clarity: VVS-VS
Content: 2 pcs
Price: $ 24.71
Item in Stock
More Options & Item Details
Add to Cart
ID: 620834
Weight: 1.52ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 12.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 533172
Weight: avg. 0.43 ct / each
Size: 6 x 4 mm (calibrated)
Clarity: VS
Price: $ 2.34
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 411456
Weight: 2.01ct
Size: 8.9 x 6.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 49.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 662860
Weight: 1.89ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 36.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 253177
Weight: 0.69ct
Size: 7 x 3.5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 86.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 740676
Weight: 0.07ct
Size: 4.2 x 2.1 mm
Clarity: VVS
Content: 1 pc
Price: $ 293.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 719939
Weight: 1.76ct
Size: 7.5 x 6.5 mm
Clarity: Transparent
Content: 1 pc
Price: $ 52.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 348991
Weight: 2.40ct
Size: 18.7 x 3.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 79.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 514164
Weight: 7.38ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 16.57
Item in Stock
More Options & Item Details
Add to Cart
ID: 523842
Weight: 5.72ct
Size: 14.6 x 10.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 45.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 385160
Weight: 7.08ct
Size: 21.6 x 11.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 63.74
Item in Stock
More Options & Item Details
Add to Cart
ID: 500970
Weight: 5.59ct
Size: 12 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 51.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 447519
Weight: 35.84ct
Size: 15 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 94.62
Item in Stock
More Options & Item Details
Add to Cart
ID: 656087
Weight: 1.21ct
Size: 8 x 8 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 29.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 394199
Weight: 25.00ct
Size: 32.9 x 19.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 33.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 492861
Weight: 6.19ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 44.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 449412
Weight: 3.05ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 4 pcs
Price: $ 20.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 390733
Weight: 2.02ct (total)
Size: 3.5 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 130.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 734742
Weight: 7.31ct (total)
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 255.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 700367
Weight: 0.68ct
Size: 5.4 x 5.1 mm
Clarity: VS
Content: 1 pc
Price: $ 29.29
Item in Stock
More Options & Item Details
Add to Cart
ID: 683049
Weight: 0.13ct
Size: 3 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 74.51
Item in Stock
More Options & Item Details
Add to Cart
ID: 418775
Weight: 6.65ct
Size: 15.5 x 11 mm
Clarity: Translucent
Content: 1 pc
Price: $ 13.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 645460
Weight: 1.33ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 11.17
Item in Stock
More Options & Item Details
Add to Cart
ID: 723007
Weight: 0.61ct
Size: 5 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 18.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 431731
Weight: 1.44ct
Size: 6.6 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 34.21
Item in Stock
More Options & Item Details
Add to Cart
ID: 606557
Weight: 61.30ct
Size: 33.4 x 25.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 38.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 737092
Weight: 14.91ct
Size: 26.6 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 21.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 546356
Weight: 28.61ct
Size: 21.2 x 15.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 428387
Weight: 6.90ct
Size: 12.9 x 10.1 mm
Clarity: Translucent
Content: 1 pc
Price: $ 45.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 479767
Weight: 2.95ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 27.26
Item in Stock
More Options & Item Details
Add to Cart
ID: 534230
Weight: 1.53ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 14.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 501504
Weight: 15.17ct
Size: 30 x 17.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 47.65
Item in Stock
More Options & Item Details
Add to Cart
ID: 406825
Weight: 17.19ct
Size: 16 x 13.4 mm
Clarity: Opaque
Content: 1 pc
Price: $ 68.08
Item in Stock
More Options & Item Details
Add to Cart
ID: 437825
Weight: 1.01ct
Size: 15.5 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 33.34
Item in Stock
More Options & Item Details
Add to Cart
ID: 720284
Weight: 1.06ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 102.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 656629
Weight: 2.55ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 15.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 573424
Weight: 0.49ct
Size: 7.4 x 5.2 mm
Clarity: Translucent
Content: 1 pc
Price: $ 19.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 636876
Weight: 1.44ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 31.68
Item in Stock
More Options & Item Details
Add to Cart
ID: 661854
Weight: 13.65ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 16.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 396487
Weight: 0.93ct
Size: 7.7 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 58.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 457203
Weight: 12.70ct
Size: 16.5 x 11 mm
Clarity: VS
Content: 1 pc
Price: $ 67.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 725450
Weight: 1.17ct
Size: 14.5 x 3.2 mm
Clarity: VS
Content: 1 pc
Price: $ 49.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 678326
Weight: 6.95ct
Size: 21.2 x 14.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 691479
Weight: 4.37ct
Size: 9.4 x 9.4 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 144.89
Item in Stock
More Options & Item Details
Add to Cart
ID: 594583
Weight: 1.34ct
Size: 8 x 6 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 26.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 546436
Weight: avg. 0.49 ct / each
Size: 5.5 x 4 mm
Clarity: VS-SI
Price: $ 15.22
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 556576
Weight: 3.79ct (total)
Size: 7 x 7 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 31.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 662175
Weight: 1.85ct
Size: 7 x 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 4.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 670778
Weight: 0.60ct
Size: 5.1 x 4.4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 21.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 735102
Weight: 0.28ct
Size: 4 mm (calibrated)
Clarity: VS-SI
Content: 1 pc
Price: $ 14.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 511668
Weight: 1.17ct
Size: 9.9 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 54.06
Item in Stock
More Options & Item Details
Add to Cart
ID: 435923
Weight: 9.40ct
Size: 14 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.77
Item in Stock
More Options & Item Details
Add to Cart
ID: 694234
Weight: 0.84ct
Size: 8.2 x 4.1 mm
Clarity: VS
Content: 1 pc
Price: $ 25.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 694499
Weight: 12.47ct
Size: 15 x 15 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 104.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 564692
Weight: 21.04ct (total)
Size: 18.6 x 11.7 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 48.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 723015
Weight: 0.50ct
Size: 5 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 15.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 712245
Weight: 1.45ct
Size: 8 x 6.5 mm
Clarity: VS
Content: 1 pc
Price: $ 34.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 470091
Weight: 130.99ct
Size: 42.3 x 25.4 mm
Clarity: VVS
Content: 1 pc
Price: $ 216.13
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
727
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, and have always loved, your website.

Posted By Aberabic in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I like the site, it's easy to navigate. There are sometimes items I'm looking for that aren't there, but mostly I can find what I need.

Posted By Nate in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very surprised how quick and efficient it was to checkout and pay. Also found exactly what I was looking for no issues.

Posted By Watson in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Will know more once order received

Posted By Jim in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I have found GemSelect to have the best selections of quality stones at a reasonable price. I like the packaging and the report availability.

Posted By Sam in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

nothing but good. always have a great selection. I am a hobbyist and only collect. Great prices. I could take all day looking at a small percent of all the gemstone, fantastic

Posted By Steve m. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy and to the point

Posted By Victorius in May, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

Very easy to navigate with a great selection.

Posted By Bar181 in August, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Always find more niche sizes/shapes as my unconventional designs require from this website. Recommending to fellow designers in the creative atmosphere on the usual, specially due to the quality and certification of gems.

Posted By Sina in April, 2025
Source: Bizrate
Enlarged Gemstone Image