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Buy Untreated Gemstones

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Untreated Gemstones

The idea of treating gemstones is nothing new. Nowadays, gem treatments are a way to supply the global demand for colored gemstones with a very limited 'natural' supply. Many gem types are always, or almost always, treated. The most common gem treatment is heat treatment, which is routinely applied to ruby and sapphire. Other gems such as emerald, tanzanite, blue zircon and blue topaz, are generally treated to produce their distinctive color; in fact it's virtually impossible to buy blue topaz that has not been irradiated. Even for the most expert gem buyers, determining whether a gemstone has been treated or enhanced is not always easy, and usually requires much more than just a jeweler's loupe.

Even with advanced gemological equipment, many treatments are still almost impossible to detect. So for many gem and jewelry buyers, one of the best ways to ensure the gem they're acquiring is completely natural and untreated, is through the selective buying of gemstone varieties that for the most part are never enhanced in any way. If you're searching for untreated gemstones, you may be surprised to discover we carry over 100 different untreated gem types.

Over 16 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

Overall Rating -> 10 star ratings

I was pleasantly surprised my wife found this site and we both are interested in gems as amateurs. Great selection and prices, we will be back for more!

Posted By Jake in April, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

I love the layout of the website and their selection! the quality of their gems is unlike any other I have seen!

Posted By Matty in July, 2021
Source: Bizrate

Overall Rating -> 9 star ratings

They seem to have fair prices!

Posted By Star in January, 2022
Source: Bizrate

Overall Rating -> 9 star ratings

This site allowed me to pick & choose the gems I wanted to incorporate into custom pendants. Easy to navigate.

Posted By Dick in February, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

🧐🧐🧐.. Very professional, easy purchases, easily navigated website, great pricing!

Posted By QuinKess919 in March, 2022
Source: Bizrate

Overall Rating -> 8 star ratings

I believe this market could grow very large in the wake of cryptocurrencies as gold and silver become less popular. I believe birthstones will begin to increase in popularity for jewelry and meaningful trinkets. I think this website should consider another metric that gauges how "raw" the mineral/gem/stone/etc. is-- how processed it has been. Some people may want to get the raw material from a specific location, know its history, and contract someone to refine it into a personal keepsake.

Posted By JohnD in August, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

The selection is great, but the quality pictures does the selling. I know what I've ordered before I get the product in the mail.

Posted By Jimbob in September, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

I have purchased several times from GemSelect and am always pleased with the stones. The information on the site about each stone is thorough. I don't have to worry about fake stones from them and the prices are quite reasonable. I love the new cards provided for each stone. I would highly recommend them.

Posted By Dikrem in December, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

Very easy to use website. Clear description of the products and Good pictures. Thank you

Posted By Gemajiq in September, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

I have been with Gem Select for many years. I've bought give or take about 40 gem stones. I've always been satisfied with the stones and the certificates to date.Thank you Silvereagle.

Posted By Hundo in June, 2021
Source: Bizrate

Overall Rating -> 9 star ratings

just browsing and something caught my eye.

Posted By Jim in May, 2021
Source: Bizrate

Overall Rating -> 9 star ratings

The site it's self looks fairly plain and simple but the wide variety of stones with high quality photos and price ranges made finding a beautiful stone in my price range was extremely easy.

Posted By Randy in July, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

I have placed two orders in a week, I love the selection. I am excited to see the products.

Posted By SadieFrank in June, 2021
Source: Bizrate

Overall Rating -> 9 star ratings

It is amazing to see the vast quantity of gemstones available in a wide variety of sizes and at a variety of price points. Overall GemSelect is a stellar place to find that perfect gem

Posted By Ty in August, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

the fire opal is gorgeous, has a little spark of green flame in it. sillimatite cat's eye is cute, I might order a larger one sometime. and now I have a spare white sapphire

Posted By Kittypie070 in April, 2022
Source: Bizrate
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  • Half-Drilled Briolette
  • Half-Drilled Heart Cabochon
  • Half-Drilled Heart Checkerboard Facet
  • Half-Drilled Heart Checkerboard (double sided
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  • Heart Buff-Top
  • Heart Cabochon
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  • Hexagon Crystal Cluster
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  • Octagon / Scissor Cut
  • Octagon Buff-Top
  • Octagon Cabochon
  • Octagon Checkerboard
  • Octagon Concave Cut
  • Octagon Facet
  • Octagon Mixed-Cut
  • Octagon Step Cut
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  • Oval Mixed Cut
  • Oval Portuguese-Cut
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  • Oval Slice
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  • Pear Facet
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  • Triangle Facet
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  • Trillion Shape Sugarloaf Cabochon
  • Undrilled Briolette Teardrop
Popular Gemstones
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All Gemstones (135)
A B C D E F G H I J K L M N O P Q R S T V Z
  • Actinolite Cat's Eye
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  • Fire Agate
  • Fire Opal
  • Fluorite
  • Fossil Coral
  • Garnet
  • Golden Beryl
  • Grandidierite
  • Grossularite Garnet
  • Hawk's Eye
  • Hematite
  • Hemimorphite
  • Hemimorphite Druzy
  • Hessonite Garnet
  • Howlite
  • Idocrase
  • Imperial Topaz
  • Iolite
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  • Kunzite
  • Kyanite
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  • Morganite
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  • Mystic Topaz
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  • Obsidian
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  • Opal Doublet
  • Opal In Matrix
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  • Peridot
  • Pietersite
  • Prehnite
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  • Pyrope Garnet
  • Quartz
  • Quartz Cat's Eye
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  • Rainbow Moonstone
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  • Rhodolite Garnet
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  • Rubellite Tourmaline
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Size and Weight

Gems are always measured in Millimeter (mm)

Dimensions are given as;
length x width x depth,
except for round stones which are;
diameter x depth

Select gems by size, not by weight!
Gem varieties vary in density, so carat weight is not a good indication of size

Note: 1ct = 0.2g

Size Comparison Chart