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Certified Customer Reviews
Overall Rating -> 10 star ratings
Huge selection of gemstones. This is my go to site for gems that aren't available through online retailers like Rio or Stuller. Perfect for custom and one of a kind pieces.
Posted By Erica in September, 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 -> 9 star ratings
I was very happy to receive the atone that was the one in the picture. I ordered another a d also received the exact one I saw. Very happy.
Posted By Rockhound14 in January, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
top gem every thing is better than it look.
Posted By Refgem in February, 2021
Source: Bizrate
Overall Rating -> 9 star ratings
Only complaint is with Pay Pal check out. Tried to enter a credit card and it would not take it.Gem Select site itself is great
Posted By Mark G in February, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
I have ordered many many gems over the years from them and I am always VERY happy!! And if I wasn't they do accept returns which is a great peace of mind.
Posted By SaraP in July, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
Easy ordering process, pictures are great for comparisons
Posted By Moose in October, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
When survey has to many specifications hoy cannot select the filter of clarity, price and origin anymore
Posted By Delliora in May, 2021
Source: Bizrate
Overall Rating -> 10 star ratings
Received my gem and sat with it, listening to one of ms blue rasberry gem videos and felt the energy connection as instructed. Wonderful experience thanks and ase
Posted By Lifeovamoney in November, 2021
Source: Bizrate
Overall Rating -> 9 star ratings
good choice and quaity, would pass on info to others
Posted By Hunstman in April, 2021
Source: Bizrate
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Articles on the cutting styles that turn rough unpolished...

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More Shapes
  • Asscher Cut
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  • Cushion Buff-Top
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  • Cushion Checkerboard (double sided) with Hole
  • Cushion Concave Fantasy Cut
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  • Cushion-Cut
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  • Drilled Cube
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  • Drilled Square Rondelle Slice
  • Fancy Cabochon
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  • Half Cylinder Cabochon
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  • Half Moon Faceted
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  • Half-Drilled Half Cylinder Cabochon
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  • Half-Drilled Heart Checkerboard (double sided
  • Half-Drilled Heart Facet
  • Half-Drilled Sphere
  • Heart Buff-Top
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  • Hexagon Crystal Cluster
  • Hexagon Cut
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  • Marquise Slice
  • Marquise Sugarloaf Cabochon
  • Octagon / Scissor Cut
  • Octagon Buff-Top
  • Octagon Cabochon
  • Octagon Checkerboard
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  • Octagon Facet
  • Octagon Mixed-Cut
  • Octagon Step Cut
  • Oval Bar Cut
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  • Oval Cabochon with Hole
  • Oval Carved Cameo
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  • Oval Checkerboard (double sided)
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  • Oval Facet
  • Oval Fancy Facet
  • Oval Mixed Cut
  • Oval Portuguese-Cut
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  • Pear Cabochon
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  • Pencil
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  • Round Buff-Top
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  • Square / Scissor Cut
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  • Trapezoid Cabochon
  • Triangle
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  • Trillion Checkerboard
  • Trillion Concave Cut
  • Trillion Crystal Cluster
  • Trillion Facet
  • Trillion Rose-Cut
  • Trillion Shape Sugarloaf Cabochon
  • Undrilled Briolette Teardrop
Popular Gemstones
  		•  Sapphire
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  		• Aquamarine
  		• Zircon
  		• Opal
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  		• 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
  		• Hyalite Opal
    • 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
  		• 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