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Certified Customer Reviews
Overall Rating -> 9 star ratings
website awesome. best i've seen. some info unclear. had problems with paypal processing overseas transaction.
Posted By Razz in December, 2020
Source: Bizrate
Overall Rating -> 10 star ratings
It was a very well put together website. Very large selection. Found exactly what i wanted.
Posted By Tony1983 in March, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
It was easy to find the kind of stone I was looking for in the price range I preferred.
Posted By S.S. in July, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
I love this site, the gems are of good quality. I learned about this site from Ms. Blue and use it to get quality crystals.
Posted By Chasitie in February, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
I really enjoy how you can sort the types of gemstones by cut, color, and size. The website is laid out very well. To be able to sort through the gemstones on the rolling slide to the left of the page is a useful tool.
Posted By Dkrotz in June, 2021
Source: Bizrate
Overall Rating -> 8 star ratings
Easy to order from, quality has been high and turn around acceptable
Posted By Deb in December, 2020
Source: Bizrate
Overall Rating -> 10 star ratings
Nice images with detailed specifications, but little written descriptions. Hit or miss on what you are looking for; When you find it, you are very happy.
Posted By JL in December, 2020
Source: Bizrate
Overall Rating -> 9 star ratings
found what looks to be an incredible boulder opal on gemselect.com. Also got a bit carried away and bought more gems than anticipated. It's expensive to pay for these stones in this way, but the convenience makes it worthwhile.
Posted By Andy Red in May, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
Gemselect has good prices and many different varieties. I like to collect untreated natural loose gemstones and this is the only website I purchase from. All gemstones are highly detailed about information, state whether they are treated or not, county of origin. I highly recommend them.
Posted By Jake in January, 2021
Source: Bizrate
Overall Rating -> 9 star ratings
Love the selection of gems, prices are fair
Posted By Cj in February, 2021
Source: Bizrate
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See an extensive selection of articles about birthstones

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156 Articles

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Learn about the healing effects of different gemstones

102 Articles

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Find helpful articles on how things are done in gemstone...

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The easy way to find the gemstones sorted by color

133 Articles

Did You Know?

Did you know this fact about that gemstone?

155 Articles

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Learn about technical details and facts surrounding the...

110 Articles

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Find the gemstones for a specific date and time

381 Articles

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Articles on the cutting styles that turn rough unpolished...

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Heat, irradiation, fracture filling and more - all the info...

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149 Articles
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More Shapes
  • Asscher Cut
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  • Baguette Checkerboard
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  • Baguette Facet
  • Baguette Rose-Cut
  • Baguette Step Cut
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  • Baroque
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  • Cushion Buff-Top
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  • Cushion Checkerboard (double sided)
  • Cushion Concave Fantasy Cut
  • Cushion Crystal Cluster
  • Cushion Mixed Cut
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  • Cushion-Cut
  • Diamond-Cut
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  • Drilled Faceted Sphere
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  • Drilled Square Rondelle Slice
  • Fancy Cabochon
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  • Half Cylinder Cabochon
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  • Half Moon Cabochon
  • Half Moon Facet-Cut
  • Half Moon Faceted
  • Half-Drilled Briolette
  • Half-Drilled Half Cylinder Cabochon
  • Half-Drilled Heart Checkerboard (double sided
  • Half-Drilled Heart Facet
  • Half-Drilled Sphere
  • Heart Buff-Top
  • Heart Cabochon
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  • Heart Checkerboard (double sided)
  • Heart Crystal Cluster
  • Heart Facet
  • Heart Rose-Cut
  • Hexagon Crystal Cluster
  • Hexagon Cut
  • Marquise Buff-Top
  • Marquise Cabochon
  • Marquise Checkerboard
  • Marquise Checkerboard (double sided)
  • Marquise Concave Cut
  • Marquise Crystal Cluster
  • Marquise Facet
  • Marquise Mixed Cut
  • Marquise Slice
  • Marquise Sugarloaf Cabochon
  • Octagon / Scissor Cut
  • Octagon Buff-Top
  • Octagon Cabochon
  • Octagon Checkerboard
  • Octagon Concave Cut
  • Octagon Facet
  • Octagon Step Cut
  • Oval Bar Cut
  • Oval Buff-Top
  • Oval Cabochon
  • Oval Cabochon with Hole
  • Oval Carved Cameo
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  • Oval Checkerboard (double sided)
  • Oval Concave Cut
  • Oval Crystal Cluster
  • Oval Diamond-Cut
  • Oval Facet
  • Oval Fancy Facet
  • Oval Fantasy Concave Cut
  • Oval Mixed Cut
  • Oval Portuguese-Cut
  • Oval Rose-Cut
  • Oval Rose-Cut (double sided)
  • Oval Slice
  • Pear Cabochon
  • Pear Checkerboard
  • Pear Checkerboard with Hole
  • Pear Concave Cut
  • Pear Concave Fantasy Cut
  • Pear Crystal Cluster
  • Pear Double-Sided Checkerboard
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  • Pear Slice
  • Pencil
  • Pencil Cut
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  • Pyramid Cabochon
  • Rhomb Cabochon
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  • Rhomb Crystal Cluster
  • Rhomb Facet
  • Rondelle
  • Round Buff-Top
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  • Round Drilled Checkerboard (Double Sided)
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  • Round Facet
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  • Round Slice
  • Shark Fin Cabochon
  • Shield Cabochon
  • Spherical
  • Square / Scissor Cut
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  • Square Checkerboard
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  • Square Crystal Cluster
  • Square Facet
  • Square Mixed-Cut
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  • Square Step-Cut
  • Square Sugarloaf Cabochon
  • Square with Hole
  • Star Facet
  • Tapered Baguette Cabochon
  • Teardrop Cabochon
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  • Trapezoid Cabochon
  • Triangle
  • Triangle Facet
  • Trillion Buff Top
  • Trillion Cabochon
  • Trillion Checkerboard
  • Trillion Concave Cut
  • Trillion Crystal Cluster
  • Trillion Facet
  • Trillion Rose-Cut
  • Trillion Shape Sugarloaf Cabochon
  • Undrilled Briolette Teardrop
Popular Gemstones
  		•  Sapphire
  		• Emerald
  		• Ruby
  		• Aquamarine
  		• Zircon
  		• Opal
  		• Topaz
  		• Tourmaline
  		• Garnet
  		• Amethyst
  		• Citrine
  		• Tanzanite
All Gemstones (137)
A B C D E F G H I J K L M N O P Q R S T V Z
    A Back to Top
  		•  Actinolite Cat's Eye
  		• Agate
  		• Agate Geode
  		• Almandine Garnet
  		• Amazonite
  		• Amethyst
  		• Ametrine
  		• Ammolite
  		• Andalusite
  		• Andesine Labradorite
  		• Apatite
  		• Aquamarine
  		• Aventurine
    • B Back to Top
  		•  Beryl
  		• Black Opal
  		• Bloodstone
  		• Boulder Opal
    • C Back to Top
  		•  Carnelian
  		• Cat's Eye Apatite
  		• Cat's Eye Aquamarine
  		• Cat's Eye Gemstones
  		• Cat's Eye Moonstone
  		• Cat's Eye Opal
  		• Cat's Eye Scapolite
  		• Chalcedony
  		• Charoite
  		• Chocolate Opal
  		• Chrome Diopside
  		• Chrysoberyl
  		• Chrysocolla
  		• Chrysoprase
  		• Citrine
  		• Color Change Gemstones
  		• Color-Change Diaspore
  		• Color-Change Fluorite
  		• Color-Change Garnet
  		• Color-Change Sapphire
  		• Coral
    • D Back to Top
  		•  Demantoid Garnet
  		• Dendritic Agate
  		• Diamond
  		• Druzy Amethyst
  		• Druzy Azurite
    • E Back to Top
  		•  Emerald
  		• Enstatite
    • F Back to Top
  		•  Fire Agate
  		• Fire Opal
  		• Fluorite
  		• Fossil Coral
    • G Back to Top
  		•  Garnet
  		• Golden Beryl
  		• Grandidierite
  		• Grossularite Garnet
    • H Back to Top
  		•  Hawk's Eye
  		• Hematite
  		• Hemimorphite Druzy
  		• Hessonite Garnet
  		• Howlite
    • I Back to Top
  		•  Idocrase
  		• Imperial Topaz
  		• Iolite
    • J Back to Top
  		•  Jade Gemstones
  		• Jadeite
  		• Jasper
    • K Back to Top
  		•  Kornerupine
  		• Kunzite
  		• Kyanite
    • L Back to Top
  		•  Labradorite
  		• Lapis Lazuli
  		• Larimar
    • M Back to Top
  		•  Malachite
  		• Malaya Garnet
  		• Mali Garnet
  		• Maw-Sit-Sit
  		• Moonstone
  		• Morganite
  		• Mother of Pearl
  		• Mystic Topaz
    • N Back to Top
  		•  Nuummite
    • O Back to Top
  		•  Obsidian
  		• Onyx
  		• Opal
  		• Opal Doublet
  		• Opal in Matrix
    • P Back to Top
  		•  Pearl
  		• Peridot
  		• Pietersite
  		• Prehnite
  		• Pyrite
  		• Pyrope Garnet
    • Q Back to Top
  		•  Quartz
  		• Quartz Cat's Eye
  		• Quartz With Marcasite
    • R Back to Top
  		•  Rainbow Moonstone
  		• Rainbow Pyrite
  		• Rhodochrosite
  		• Rhodolite Garnet
  		• Rose Quartz
  		• Rubellite Tourmaline
  		• Ruby
  		• Ruby in Fuchsite
  		• Ruby-Zoisite
  		• Rutile Quartz
    • S Back to Top
  		•  Sapphire
  		• Scapolite
  		• Scolecite
  		• Seraphinite
  		• Serpentine
  		• Sillimanite
  		• Sillimanite Cat's Eye
  		• Smithsonite
  		• Smoky Quartz
  		• Snowflake Obsidian
  		• Sodalite
  		• Spectrolite
  		• Spessartite Garnet
  		• Sphalerite
  		• Sphene
  		• Spinel
  		• Star Diopside
  		• Star Garnet
  		• Star Gemstones
  		• Star Moonstone
  		• Star Rose Quartz
  		• Star Ruby
  		• Star Sapphire
  		• Strawberry Quartz
  		• Sunstone
    • T Back to Top
  		•  Tanzanite
  		• Tiger's Eye
  		• Tiger's Eye Matrix
  		• Topaz
  		• Tourmaline
  		• Tsavorite Garnet
  		• Turquoise
    • V Back to Top
  		•  Variscite
    • Z Back to Top
  		•  Zircon
Main Categories
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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