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Loose Black Gemstones for Sale

Black Gemstones

Discover the largest online selection of black gemstones for sale. We have countless black gems to choose from, here are some; black tourmaline, black onyx, black star sapphire, black spinel, black diamond, black opal, black nuummite, black star diopside, black obsidian and more. This is a color which fits into any type of jewelry metals on the market. We stock black gemstones in a large range of prices, sizes and shapes. All items are guaranteed natural and sold as pictured on our website; you will get what you see.

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Black Gemstones

Black gemstones never go out of fashion. Shop for natural black gemstones from a huge range of gem types, sizes, shapes and cutting styles.

The black colored gemstones in stock include black star sapphire, black spinel, black tourmaline, black jasper and more, in singles, lots and matched pairs. From this page, you can filter the results further by using the menu. For instance, you can shop by gem type or shape.

Black Gemstones Price and Value

Most black gemstones offer great value for money where the cheapest is black Obsidian that typically sells for $1 to $5 per carat. Typical price ranges for other black gemstone are;

  • Black Star Diposide - $2 to $10 per carat
  • Black Cat's Eye Scapolite - $2 to $15 per carat
  • Black Onyx - $5 to $20 per carat
  • Black Nummite - $5 to $20 per carat
  • Black Spinel - $5 to $30 per carat
  • Black Star Sapphire $10 to 30 per carat

Over 16 Years in the Gemstone Business!

Thank you for trusting us with your purchase!

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

Good simple

Posted By Don in February, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

I love collecting Gems and Gemselect is my go to place to get them. I have never been dissatisfied with any of my orders. I also love the information that they give for each gem.

Posted By Pierre de la Fontaine in July, 2021
Source: Bizrate

Overall Rating -> 9 star ratings

Gem Selects is a great place to buy loose gems and seems to have a wide selection of sizes, shapes, and color as well as reasonable prices. Though I only dabble in making earrings this is my purchase from here and I love the pieces I have bought - 6 pairs of various gems. I am sure I'll be back.

Posted By TranquilityCea in October, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

Haven't seen my product yet, but ok so far.

Posted By B in February, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

Multiple options of quality gemstones for competitive prices.

Posted By Missy G in August, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

I love the website easy to find what I’m looking for very co friendly and very trustable resource and fare pricing

Posted By Seeny in October, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

It was good...... But I'm looking for Sardonyx.. Is it still out there?

Posted By Penelopep in January, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

You are awesome! Thank you for everything

Posted By Stacy CP in January, 2022
Source: Bizrate

Overall Rating -> 10 star ratings

Very good

Posted By Sr in September, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

User friendly, easy to find items on what I am looking for.

Posted By Gemhobby in September, 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

Thanks again. I have purchased before , and have nothing but praise for this company.

Posted By B in June, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

Excellent resource

Posted By LeeMin in October, 2021
Source: Bizrate

Overall Rating -> 10 star ratings

I’ve purchased from GemSelect a few times in the past year. I would not shop anywhere else. The photos make all the difference…I can select the exact color I want. I have over 100 pieces, and I’ve never been less than thrilled with each gemstone.

Posted By Emma in October, 2021
Source: Bizrate
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More Shapes
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  • Carved Oval Cabochon
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  • Carved Pear Cabochon
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  • Carved Rose with Half Drilled Hole
  • Carved Round
  • Carved Round Bar
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  • Carved Teardrop
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  • Cushion Buff-Top
  • Cushion Cabochon
  • Cushion Checkerboard
  • Cushion Checkerboard (double sided)
  • Cushion Checkerboard (double sided) with Hole
  • Cushion Concave Fantasy Cut
  • Cushion Crystal Cluster
  • Cushion Mixed Cut
  • Cushion Rose-Cut
  • Cushion-Cut
  • Diamond-Cut
  • 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 Trillion
  • Fancy Carving
  • Fancy Crystal Cluster
  • Fancy Cut
  • Fancy Facet
  • Fancy Fantasy Carving
  • Fancy-Cut
  • Fantasy Carved Flower
  • 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 Heart Cabochon
  • Half-Drilled Heart Checkerboard Facet
  • Half-Drilled Heart Checkerboard (double sided
  • Half-Drilled Heart Facet
  • Half-Drilled Sphere
  • Heart Buff-Top
  • Heart Cabochon
  • Heart Cabochon with Hole
  • 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 Mixed-Cut
  • 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 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 Crystal Cluster
  • Pear Double-Sided Checkerboard
  • Pear Facet
  • Pear Rose-Cut
  • Pear Shape Sugarloaf Cabochon
  • Pencil
  • Pencil Cut
  • Princess-Cut
  • Pyramid Cabochon
  • Rhomb Cabochon
  • Rhomb Checkerboard
  • Rhomb Checkerboard (Double-Sided)
  • Rhomb Crystal Cluster
  • Rhomb Facet
  • Rondelle
  • Round Buff-Top
  • Round Cabochon
  • Round Carved Cameo
  • Round Checkerboard
  • Round Checkerboard (double sided)
  • Round Concave Cut
  • Round Crystal Cluster
  • Round Drilled Checkerboard (Double Sided)
  • Round Drilled Rondelle
  • Round Facet
  • Round Mixed-Cut
  • Round Petal Cut
  • Round Rose-Cut
  • Round Rose-Cut (double sided)
  • Round Slice
  • Shark Fin Cabochon
  • Shield Cabochon
  • Spherical
  • Square / Scissor Cut
  • Square Buff-Top
  • Square Cabochon
  • Square Checkerboard
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  • Square Facet
  • Square Mixed-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
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  • Amethyst
  • Citrine
  • Tanzanite
All Gemstones (136)
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
  • Agate
  • Agate Geode
  • Almandine Garnet
  • Amazonite
  • Amethyst
  • Ametrine
  • Ammolite
  • Andalusite
  • Andesine Labradorite
  • Apatite
  • Aquamarine
  • Aventurine
  • Black Opal
  • Bloodstone
  • Boulder Opal
  • 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
  • Demantoid Garnet
  • Dendritic Agate
  • Diamond
  • Druzy Amethyst
  • Druzy Azurite
  • Druzy Variscite
  • Emerald
  • Enstatite
  • 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
  • Jade Gemstones
  • Jadeite
  • Jasper
  • Kornerupine
  • Kunzite
  • Kyanite
  • Labradorite
  • Lapis Lazuli
  • Larimar
  • Malachite
  • Malaya Garnet
  • Mali Garnet
  • Maw-Sit-Sit
  • Moonstone
  • Morganite
  • Mother Of Pearl
  • Mystic Topaz
  • Nuummite
  • Obsidian
  • Opal
  • Opal Doublet
  • Opal In Matrix
  • Pearl
  • Peridot
  • Pietersite
  • Prehnite
  • Pyrite
  • Pyrope Garnet
  • Quartz
  • Quartz Cat's Eye
  • Quartz With Hedenbergite
  • Quartz With Marcasite
  • Rainbow Moonstone
  • Rainbow Pyrite
  • Rhodochrosite
  • Rhodolite Garnet
  • Rose Quartz
  • Rubellite Tourmaline
  • Ruby
  • Ruby In Fuchsite
  • Ruby-Zoisite
  • Rutile Quartz
  • Sapphire
  • Scapolite
  • Scolecite
  • Seraphinite
  • 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
  • Tanzanite
  • Tiger's Eye
  • Tiger's Eye Matrix
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Main Categories
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International:
+66-39609697

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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