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Certified Customer Reviews
Overall Rating -> 10 star ratings
have brought a number of gems in the past few years and never hard any issues
Posted By Biggles in November, 2021
Source: Bizrate
Overall Rating -> 9 star ratings
I do wish for higher res pics but I get it. The gems I bought are cheap that may have been the reason for the relatively low res pics.
Posted By Fox in December, 2020
Source: Bizrate
Overall Rating -> 10 star ratings
I spent hours on looking at so many different gems and there's so much variety to choose from it's like a kid at the candy store.
Posted By HiddenGem in February, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
Shipping was extremely expensive for the size of items.
Posted By Preston in April, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
Great prices and quick delivery from Thailand.
Posted By Mike H in April, 2021
Source: Bizrate
Overall Rating -> 8 star ratings
It was a good experience, I would like to see more Australian opals.
Posted By Opal Cadet in November, 2021
Source: Bizrate
Overall Rating -> 7 star ratings
Everything was well labeled and organized, lots of information for each product that lets you know it's legitimate. Huge selection, almost too easy to check out, I'll have to pay rent in rocks lol.
Posted By Leroy in October, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
If you want a gem that you can trust to not be treated, or if it is ita's disclosed this is the place! Therea's something for everybody. I really like knowing that the picture of the item is the one Ia'm buying, not a sample or stock photo. If you make jewelry, buy gems here! You can even buy a gem and have it set by a jeweler. Again, they have an amazing inventory, and prices are more than fair. You wona't be disappointed! I just wish they sold uncut gems. Sometimes I just want a specimen in the crystal form. Ia'm surprised they had no quartz from Arkansas, but they have a great selection of anything Ia've ever looked for.
Posted By Nita in July, 2021
Source: Bizrate
Overall Rating -> 9 star ratings
Site was recommended to me by my gemology professor. Based on what I’ve seen gemselect offers good quality stones for a large range of prices
Posted By Lynn in April, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
Gem select has very high quality gemstones. Always satisfied.
Posted By Lainey in February, 2021
Source: Bizrate
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The largest selection of gemstone articles online...

272 Articles

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See an extensive selection of articles about birthstones

14 Articles

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Fascinating details of ancient gemstones facts and stories

156 Articles

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Learn about the healing effects of different gemstones

102 Articles

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From buying tips to price details, all you need to know...

135 Articles

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

43 Articles

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Useful charts and list as reference and lookup recourse

122 Articles

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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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58 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...

18 Articles

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

17 Articles

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A collection of interesting and helpful features on gems...

149 Articles
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More Shapes
  • Asscher Cut
  • Baguette / Scissor Cut
  • Baguette Cabochon
  • Baguette Checkerboard
  • Baguette Crystal Cluster
  • Baguette Facet
  • Baguette Rose-Cut
  • Baguette Step Cut
  • Baguette Sugarloaf Cabochon
  • Baroque
  • Barrel
  • Barrel / Checkerboard
  • Barrel / Full-Round
  • Barrel Cabochon
  • Barrel Rose Cut
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  • Bullet Shape Checkerboard
  • Carved
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  • Carved Marquise Cabochon
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  • Carved Oval Cabochon
  • Carved Pear
  • Carved Pear Cabochon
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  • Carved Rose with Half Drilled Hole
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  • Cushion Buff-Top
  • Cushion Cabochon
  • Cushion Checkerboard
  • Cushion Checkerboard (double sided)
  • Cushion Concave Fantasy Cut
  • Cushion Crystal Cluster
  • Cushion Mixed Cut
  • Cushion Rose-Cut
  • Cushion Sugarloaf Cabochon
  • Cushion-Cut
  • Diamond-Cut
  • Drilled Cube
  • Drilled Faceted Sphere
  • Drilled Sphere
  • Drilled Square Rondelle
  • Drilled Square Rondelle Slice
  • Fancy Cabochon
  • Fancy Carved Cushion
  • Fancy Carved Oval
  • Fancy Carved Pear
  • Fancy Carved Round
  • Fancy Carved Trillion
  • Fancy Carving
  • Fancy Crystal Cluster
  • Fancy Cut
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  • Fancy Slice
  • Fancy-Cut
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  • Fantasy Carved Flower Cut
  • Fantasy Carved Leaf
  • Flower Carving
  • Flower-Cut
  • Half Cylinder Cabochon
  • Half Heart Cabochon
  • Half Heart Facet
  • 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
  • Heart Checkerboard
  • 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
  • Oval Checkerboard
  • 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
  • Pear Facet
  • Pear Shape Sugarloaf Cabochon
  • Pear Slice
  • Pencil
  • Pencil Cut
  • Princess-Cut
  • Pyramid Cabochon
  • Rhomb Cabochon
  • Rhomb Checkerboard
  • Rhomb Checkerboard (Double-Sided)
  • Rhomb Crystal Cluster
  • Rhomb Facet
  • Rondelle
  • Round Buff-Top
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  • Round Carved Cameo
  • Round Checkerboard
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  • Round Concave Cut
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  • Round Drilled Checkerboard (Double Sided)
  • Round Drilled Rondelle
  • Round Facet
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  • Round Petal Cut
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  • Round Slice
  • Shark Fin Cabochon
  • Shield Cabochon
  • Spherical
  • Square / Scissor Cut
  • Square Buff-Top
  • Square Cabochon
  • Square Checkerboard
  • Square Concave Cut
  • Square Crystal Cluster
  • Square Facet
  • Square Mixed-Cut
  • Square Rose-Cut
  • Square Step-Cut
  • Square Sugarloaf Cabochon
  • Square with Hole
  • Star Facet
  • Tapered Baguette Cabochon
  • Teardrop Cabochon
  • Trapezoid
  • 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