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: 672887
Weight: 1.26ct
Size: 7.1 x 5.9 mm
Clarity: VS
Content: 1 pc
Price: $ 30.24
Item in Stock
More Options & Item Details
Add to Cart
ID: 704940
Weight: 23.17ct
Size: 38 x 9.6 mm
Clarity: Opaque
Content: 1 pc
Price: $ 5.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 720105
Weight: 0.67ct
Size: 7 x 5 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 5.63
Item in Stock
More Options & Item Details
Add to Cart
ID: 327771
Weight: 0.83ct
Size: 7.4 x 4.1 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 98.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 700381
Weight: 0.56ct
Size: 5.2 x 4.4 mm
Clarity: SI
Content: 1 pc
Price: $ 33.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 464084
Weight: 4.90ct
Size: 12 mm (calibrated)
Clarity: VS
Price: $ 9.71
Item in Stock
More Options & Item Details
Select pcs
Add to Cart
ID: 733102
Weight: 0.45ct
Size: 6 x 4 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 18.90
Item in Stock
More Options & Item Details
Add to Cart
ID: 699029
Weight: 4.03ct
Size: 11 x 9 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 33.85
Item in Stock
More Options & Item Details
Add to Cart
ID: 464454
Weight: 3.83ct (total)
Size: 4 x 4 mm (calibrated)
Clarity: VS
Content: 10 pcs
Price: $ 35.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 450560
Weight: 5.09ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: VVS
Content: 2 pcs
Price: $ 47.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 670789
Weight: 0.58ct
Size: 4.7 x 4 mm
Clarity: Translucent
Content: 1 pc
Price: $ 20.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 446125
Weight: 4.97ct
Size: 12.9 x 8.5 mm
Clarity: VVS
Content: 1 pc
Price: $ 36.28
Item in Stock
More Options & Item Details
Add to Cart
ID: 650442
Weight: 25.13ct
Size: 30.5 x 19.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 70.87
Item in Stock
More Options & Item Details
Add to Cart
ID: 705805
Weight: 0.76ct
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 6.38
Item in Stock
More Options & Item Details
Add to Cart
ID: 504602
Weight: 2.27ct
Size: 7.7 x 7.7 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 16.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 606415
Weight: 39.25ct
Size: 31.6 x 20.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 22.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 433507
Weight: 31.66ct
Size: 31.6 x 21.7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 34.83
Item in Stock
More Options & Item Details
Add to Cart
ID: 363519
Weight: 30.93ct
Size: 32.7 x 19.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 49.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 658359
Weight: 50.62ct
Size: 36.8 x 24.3 mm
Clarity: Opaque
Content: 1 pc
Price: $ 86.56
Item in Stock
More Options & Item Details
Add to Cart
ID: 732796
Weight: 1.19ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 45.70
Item in Stock
More Options & Item Details
Add to Cart
ID: 725651
Weight: 1.06ct
Size: 8 x 6 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 41.99
Item in Stock
More Options & Item Details
Add to Cart
ID: 689095
Weight: 0.07ct
Size: 2.5 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 40.81
Item in Stock
More Options & Item Details
Add to Cart
ID: 328238
Weight: 13.02ct (total)
Size: 12 x 12 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 78.12
Item in Stock
More Options & Item Details
Add to Cart
ID: 673230
Weight: 2.28ct
Size: 10 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 54.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 447880
Weight: 22.93ct
Size: 30 x 22 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 90.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 387988
Weight: 2.75ct (total)
Size: 4.6 x 4.5 mm
Clarity: VVS-VS
Content: 6 pcs
Price: $ 18.16
Item in Stock
More Options & Item Details
Add to Cart
ID: 466876
Weight: 0.57ct
Size: 8.7 x 4.3 mm
Clarity: VVS
Content: 1 pc
Price: $ 41.39
Item in Stock
More Options & Item Details
Add to Cart
ID: 456730
Weight: 1.78ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 2 pcs
Price: $ 16.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 727966
Weight: 2.52ct
Size: 10 x 8 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 6.05
Item in Stock
More Options & Item Details
Add to Cart
ID: 683544
Weight: 4.08ct
Size: 11 x 9 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 37.80
Item in Stock
More Options & Item Details
Add to Cart
ID: 733746
Weight: 3.22ct
Size: 11 x 9 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 29.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 725624
Weight: 1.13ct (total)
Size: 7 x 5 mm (calibrated)
Clarity: Transparent
Content: 2 pcs
Price: $ 44.76
Item in Stock
More Options & Item Details
Add to Cart
ID: 645231
Weight: 4.18ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 23.72
Item in Stock
More Options & Item Details
Add to Cart
ID: 492868
Weight: 5.73ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 41.45
Item in Stock
More Options & Item Details
Add to Cart
ID: 415329
Weight: 1.28ct
Size: 6.8 x 5.9 mm
Clarity: VVS
Content: 1 pc
Price: $ 84.48
Item in Stock
More Options & Item Details
Add to Cart
ID: 352476
Weight: 5.15ct
Size: 17.6 x 9 mm
Clarity: VVS
Content: 1 pc
Price: $ 47.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 683576
Weight: 3.15ct
Size: 12.9 x 7 mm
Clarity: Opaque
Content: 1 pc
Price: $ 29.18
Item in Stock
More Options & Item Details
Add to Cart
ID: 610342
Weight: 16.26ct (total)
Size: 22.2 x 15.2 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 21.47
Item in Stock
More Options & Item Details
Add to Cart
ID: 720486
Weight: 1.05ct
Size: 6.3 x 5.3 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 189.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 343552
Weight: 40.69ct
Size: 31.9 x 25.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.59
Item in Stock
More Options & Item Details
Add to Cart
ID: 645225
Weight: 4.29ct (total)
Size: 10 x 8 mm (calibrated)
Clarity: Opaque
Content: 2 pcs
Price: $ 24.35
Item in Stock
More Options & Item Details
Add to Cart
ID: 334032
Weight: 40.10ct
Size: 32.2 x 24.1 mm
Clarity: Opaque
Content: 1 pc
Price: $ 264.66
Item in Stock
More Options & Item Details
Add to Cart
ID: 546654
Weight: 3.14ct
Size: 9 x 9 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 24.86
Item in Stock
More Options & Item Details
Add to Cart
ID: 484036
Weight: 40.42ct
Size: 29 x 24.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 80.03
Item in Stock
More Options & Item Details
Add to Cart
ID: 745765
Weight: 1.20ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 38.40
Item in Stock
More Options & Item Details
Add to Cart
ID: 493096
Weight: 5.38ct
Size: 14 x 10 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 38.92
Item in Stock
More Options & Item Details
Add to Cart
ID: 697448
Weight: 0.33ct
Size: 3.7 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 7.13
Item in Stock
More Options & Item Details
Add to Cart
ID: 446128
Weight: 3.75ct
Size: 12.7 x 10 mm
Clarity: VVS
Content: 1 pc
Price: $ 27.37
Item in Stock
More Options & Item Details
Add to Cart
ID: 695114
Weight: 3.02ct
Size: 8.5 x 6.6 mm
Clarity: VVS-VS
Content: 1 pc
Price: $ 90.60
Item in Stock
More Options & Item Details
Add to Cart
ID: 488038
Weight: 2.16ct
Size: 8 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 1 pc
Price: $ 56.88
Item in Stock
More Options & Item Details
Add to Cart
ID: 526903
Weight: 0.99ct
Size: 7 x 5 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 26.14
Item in Stock
More Options & Item Details
Add to Cart
ID: 454680
Weight: 28.06ct (total)
Size: 21.7 x 12.1 mm
Clarity: Opaque
Content: 2 pcs
Price: $ 37.04
Item in Stock
More Options & Item Details
Add to Cart
ID: 696217
Weight: 21.06ct
Size: 31.9 x 18.8 mm
Clarity: Opaque
Content: 1 pc
Price: $ 12.64
Item in Stock
More Options & Item Details
Add to Cart
ID: 456661
Weight: 3.85ct (total)
Size: 6 x 6 mm (calibrated)
Clarity: VVS-VS
Content: 4 pcs
Price: $ 35.58
Item in Stock
More Options & Item Details
Add to Cart
ID: 448505
Weight: 1.38ct
Size: 7.5 x 5.4 mm
Clarity: VS
Content: 1 pc
Price: $ 878.02
Item in Stock
More Options & Item Details
Add to Cart
ID: 739317
Weight: 0.18ct
Size: 4 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 9.00
Item in Stock
More Options & Item Details
Add to Cart
ID: 714348
Weight: 0.47ct
Size: 4.3 mm
Clarity: VS-SI
Content: 1 pc
Price: $ 14.10
Item in Stock
More Options & Item Details
Add to Cart
ID: 708276
Weight: 8.28ct
Size: 18 x 13 mm (calibrated)
Clarity: Opaque
Content: 1 pc
Price: $ 7.94
Item in Stock
More Options & Item Details
Add to Cart
ID: 551887
Weight: 1.14ct
Size: 8 x 5 mm (calibrated)
Clarity: Transparent
Content: 1 pc
Price: $ 4.30
Item in Stock
More Options & Item Details
Add to Cart
ID: 640727
Weight: 1.59ct
Size: 8 x 8 mm (calibrated)
Clarity: VS
Content: 1 pc
Price: $ 45.79
Item in Stock
More Options & Item Details
Add to Cart
1 2 3
...
114
Choose Page
1 - 772

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

Took a chance on purchasing my gemstones from Gemselect and was impressed. 10/10

Posted By KT in September, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Filters need to be improved but rest of website is great

Posted By Rock hound in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

Very fast navigation and purchase, which is good. I need to strike while the iron is hot.

Posted By Tim G. in February, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I would recommend gem select yo everyone Fast service and no problems

Posted By Steve in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I could see the actual gem I was buying

Posted By Bugs in December, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

I love the quality, presentation and the price of the stones. I love the identification card - report they send with each stone.

Posted By Dia in March, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

My experience was done with ease

Posted By Barb in October, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

The site provided lots of detail, factual data, and good photos. I also like the availability of searching by price range as well as by the type of stone.

Posted By SLIntuitive Donna in July, 2025
Source: Bizrate

Overall Rating -> 10 star ratings

selection was broad and the check out was quick. Great site

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