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: 550755
Weight: 1.31ct
Size: 7 mm (calibrated)
Clarity: Translucent
Content: 1 pc
Price: $ 15.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 627479
Weight: 1.66ct
Size: 6.5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 30.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 527926
Weight: 3.68ct
Size: 13.1 x 9.5 mm
Clarity: Translucent
Content: 1 pc
Price: $ 26.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 685885
Weight: 1.50ct
Size: 7.7 x 6.4 mm
Clarity: VS
Content: 1 pc
Price: $ 27.61
Item in Stock
More Options & Item Details
Add to Cart
ID: 406161
Weight: 37.52ct (total)
Size: 35.2 x 18.5 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 49.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 720315
Weight: 0.93ct
Size: 5.6 x 5.5 mm
Clarity: VS
Content: 1 pc
Price: $ 89.52
Item in Stock
More Options & Item Details
Add to Cart
ID: 640322
Weight: 0.26ct
Size: 5 x 3 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 12.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 501511
Weight: 7.84ct
Size: 19.3 x 11.7 mm
Clarity: Transparent
Content: 1 pc
Price: $ 32.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 692630
Weight: 98.71ct
Size: 28.9 x 28.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 41.46
Item in Stock
More Options & Item Details
Add to Cart
ID: 745569
Weight: 4.22ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 211.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 725591
Weight: 0.90ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 8.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 395052
Weight: 3.11ct
Size: 9 x 9 mm (calibrated)
Clarity: Transparent
Price: $ 20.53
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 693988
Weight: 0.66ct
Size: 5.3 x 5 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 39.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 542545
Weight: 0.83ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 8.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 730040
Weight: 2.35ct
Size: 14 x 7.1 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 225.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 461233
Weight: 7.24ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 66.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 696397
Weight: 20.56ct
Size: 25 x 18 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 14.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 716130
Weight: 3.22ct (total)
Size: 8 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 30.91
Item in Stock
More Options & Item Details
Add to Cart
ID: 730068
Weight: 4.82ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 43.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 522445
Weight: 188.20ct
Size: 47.2 x 32.9 mm
Clarity: Translucent
Content: 1 pc
Price: $ 496.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 446271
Weight: 11.97ct
Size: 20 x 15 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 43.09
Item in Stock
More Options & Item Details
Add to Cart
ID: 602903
Weight: 1.59ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 14.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 351817
Weight: 3.37ct (total)
Size: 5 x 5 mm (calibrated)
Clarity: Transparent
Content: 10 pcs
Price: $ 88.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 456773
Weight: 2.90ct
Size: 11.2 x 7.9 mm
Clarity: VS
Content: 1 pc
Price: $ 26.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 492603
Weight: 5.35ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 712791
Weight: 5.36ct (total)
Size: 10 x 7 mm (calibrated)
Clarity: Translucent
Content: 2 pcs
Price: $ 14.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 737830
Weight: 15.90ct (total)
Size: 16.8 x 16.4 mm
Clarity: Transparent
Content: 2 pcs
Price: $ 477.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 381190
Weight: 1.47ct (total)
Size: 3.6 x 3.6 mm
Clarity: VS
Content: 4 pcs
Price: $ 37.69
Item in Stock
More Options & Item Details
Add to Cart
ID: 640585
Weight: 1.16ct
Size: 6.5 x 6.3 mm
Clarity: Transparent
Content: 1 pc
Price: $ 7.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 648159
Weight: 31.10ct
Size: 28.6 x 21.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 61.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 710321
Weight: 1.06ct
Size: 6.3 x 4.7 mm
Clarity: VS
Content: 1 pc
Price: $ 19.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 395202
Weight: 4.95ct (total)
Size: 8 x 8 mm (calibrated)
Clarity: VS-SI
Content: 2 pcs
Price: $ 98.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 691364
Weight: 1.22ct
Size: 6 mm (calibrated)
Clarity: SI-I1
Content: 1 pc
Price: $ 73.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 692701
Weight: 25.66ct
Size: 20 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 215.54
Item in Stock
More Options & Item Details
Add to Cart
ID: 286624
Weight: 3.41ct (total)
Size: 8 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 5 pcs
Price: $ 23.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 593188
Weight: 1.30ct
Size: 8 x 6 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 395818
Weight: 9.32ct
Size: 11.6 x 11.4 mm
Clarity: VS
Content: 1 pc
Price: $ 456.67
Item in Stock
More Options & Item Details
Add to Cart
ID: 605911
Weight: 22.57ct (total)
Size: 20.4 x 12.9 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 35.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 586131
Weight: 12.42ct
Size: 18.7 x 16.6 mm
Clarity: Transparent
Content: 1 pc
Price: $ 81.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 514165
Weight: 8.46ct
Size: 12 x 12 mm (calibrated)
Clarity: VVS-VS
Price: $ 17.26
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 730434
Weight: 1.75ct
Size: 7.9 x 6.9 mm
Clarity: VS
Content: 1 pc
Price: $ 294.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 560975
Weight: 0.88ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 2 pcs
Price: $ 8.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 556210
Weight: 1.31ct
Size: 6.7 x 5.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 34.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 737424
Weight: 1.40ct
Size: 7.9 x 5.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 8.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 694556
Weight: 20.07ct
Size: 18 x 18 mm (calibrated)
Clarity: VVS
Content: 1 pc
Price: $ 168.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 422069
Weight: 3.50ct
Size: 11 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 23.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 675193
Weight: 14.17ct
Size: 17.2 x 13.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 36.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 609049
Weight: 3.47ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 64.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 515859
Weight: 34.18ct
Size: 24.7 x 15.9 mm
Clarity: Opaque
Content: 1 pc
Price: $ 40.15
Item in Stock
More Options & Item Details
Add to Cart
ID: 669032
Weight: avg. 1.83 ct / each
Size: 8.5 mm (calibrated)
Clarity: Opaque
Price: $ 8.24
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 530640
Weight: 6.40ct
Size: 12 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 9.22
Item in Stock
More Options & Item Details
Add to Cart
ID: 543868
Weight: 0.86ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 7.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 577890
Weight: 30.96ct
Size: 31.5 x 21.2 mm
Clarity: Opaque
Content: 1 pc
Price: $ 15.97
Item in Stock
More Options & Item Details
Add to Cart
ID: 394793
Weight: 1.27ct
Size: 8 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 56.75
Item in Stock
More Options & Item Details
Add to Cart
ID: 688089
Weight: 2.16ct
Size: 9 x 7 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 2.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 599821
Weight: 2.35ct
Size: 9 x 7 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 21.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 697604
Weight: 0.58ct (total)
Size: 3.7 mm
Clarity: VS-SI
Content: 2 pcs
Price: $ 12.53
Item in Stock
More Options & Item Details
Add to Cart
ID: 663103
Weight: 0.70ct
Size: 5.7 x 4.9 mm
Clarity: Transparent
Content: 1 pc
Price: $ 4.20
Item in Stock
More Options & Item Details
Add to Cart
ID: 358151
Weight: 3.85ct (total)
Size: 6 x 4 mm (calibrated)
Clarity: VVS-VS
Content: 10 pcs
Price: $ 25.42
Item in Stock
More Options & Item Details
Add to Cart
ID: 550611
Weight: 3.16ct
Size: 10 x 10 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 29.20
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
633
Choose Page
1 - 773

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 the gems!

Posted By MM in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Love beauty, color, quality, and price of these gems. Personal projects and will come here soon and everytime.

Posted By Darkstar in June, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

All items were delivered on time with all items meeting or exceeding my expectations. Cut, clarity and color were very close to the photos and description.

Posted By Bob D in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

the selection is good as are the prices

Posted By Old man in August, 2025
Source: Bizrate

Overall Rating -> 9 star ratings

The checkout said the my ccv was invalid. i had to use another card.

Posted By Ron in April, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

this site is awesome. I was able to look at the products think about purchasing and come back and find the same products. With the amount of inventory gem select has. Its awesome to be able to filter the way that they allow you too.

Posted By Tommyp in November, 2025
Source: Bizrate

Overall Rating -> 8 star ratings

everything was fine

Posted By Marc in January, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

It was easy to navigate

Posted By GemGod in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Great prices!!! High quality gemstones.

Posted By Ricky in October, 2025
Source: Bizrate
Enlarged Gemstone Image