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(842)
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Violet Blue Tanzanite Gem - 2.8ct Oval Facet (ID: 415415)

Oval Blue Tanzanite

2.8ct
9.4 x 7.1 mm
$ 560.00
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Violet Blue Tanzanite Gem - 12ct Cushion-Cut (ID: 378197)

Cushion Blue Tanzanite

12ct
13.1 x 12.8 mm
$ 6,123.75
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Violet Blue Tanzanite Gem - 1.7ct Oval Facet (ID: 398616)

Oval Blue Tanzanite

1.7ct
8.6 x 6.4 mm
$ 216.25
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Violet Blue Tanzanite Gem - 14.4ct Marquise Cabochon (ID: 521308)

Marquise Blue Tanzanite

14.4ct
23.2 x 11.3 mm
$ 117.46
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Violet Blue Tanzanite Gem - 2.2ct Oval Facet (ID: 415418)

Oval Blue Tanzanite

2.2ct
8.9 x 6.8 mm
$ 440.00
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Violet Blue Tanzanite Gem - 10.5ct Oval Facet (ID: 378198)

Oval Blue Tanzanite

10.5ct
16.4 x 11.6 mm
$ 5,260.50
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Violet Blue Tanzanite Gem - 1.5ct Oval Facet (ID: 280414)

Oval Blue Tanzanite

1.50 ct (total 3.00ctw)
8.3 x 6.3 mm
$ 381.00
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Violet Blue Tanzanite Gem - 3.1ct Pear Facet (ID: 412463)

Pear Blue Tanzanite

3.1ct
12 x 8.1 mm
$ 890.30
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Violet Blue Tanzanite Gem - 18ct Oval Cabochon (ID: 522810)

Oval Blue Tanzanite

18ct
16.7 x 13.6 mm
$ 146.91
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Violet Blue Tanzanite Gem - 7.8ct Cushion-Cut (ID: 487806)

Cushion Blue Tanzanite

7.8ct
12.7 x 10 mm
$ 2,343.00
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Violet Blue Tanzanite Gem - 1ct Pear Facet (ID: 295075)

Pear Blue Tanzanite

1ct
8.1 x 5.9 mm
$ 133.02
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Violet Blue Tanzanite Gem - 2.1ct Oval Facet (ID: 361666)

Oval Blue Tanzanite

2.1ct
9 x 7 mm
$ 416.00
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Violet Blue Tanzanite Gem - 7.5ct Trillion Facet (ID: 384341)

Trillion Blue Tanzanite

7.5ct
11.3 x 11.3 mm
$ 3,780.79
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Violet Blue Tanzanite Gem - 1.2ct Oval Facet (ID: 342197)

Oval Blue Tanzanite

1.2ct
8 x 6.1 mm
$ 152.50
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Violet Blue Tanzanite Gem - 1ct Pear Facet (ID: 301091)

Pear Blue Tanzanite

1ct
8 x 5.9 mm
$ 104.00
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Violet Blue Tanzanite Gem - 2.3ct Pear Facet (ID: 415419)

Pear Blue Tanzanite

2.3ct
8.4 x 8 mm
$ 456.00
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Violet Blue Tanzanite Gem - 6.9ct Cushion-Cut (ID: 400905)

Cushion Blue Tanzanite

6.9ct
12.2 x 10 mm
$ 3,486.85
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Violet Blue Tanzanite Gem - 0.9ct Pear Facet (ID: 295872)

Pear Blue Tanzanite

0.9ct
7.9 x 5.8 mm
$ 101.64
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Violet Blue Tanzanite Gem - 0.9ct Trillion Facet (ID: 421175)

Trillion Blue Tanzanite

0.86 ct (total 3.44ctw)
6.7 x 6.6 mm
$ 399.69
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Violet Blue Tanzanite Gem - 1.8ct Oval Facet (ID: 348170)

Oval Blue Tanzanite

1.8ct
9.1 x 6.9 mm
$ 285.50
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Violet Blue Tanzanite Gem - 1ct Cushion-Cut (ID: 240071)

Cushion Blue Tanzanite

1ct
6.9 x 4.7 mm
$ 279.99
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Shop Gems By

GemSelect has the largest selection of precious gems and semi-precious gemstones. Over 50,000 gemstones available and over 120 different gemstone varieties in all of the important gemstone groups; and best of all, they are guaranteed to be 100% natural, mined-from-the-earth authentic gems. We disclose all treatments and do not use any stock photos! We individually photograph each and every item and all items are guaranteed available.

Certified Customer Reviews
Overall Rating -> 10 star ratings
man their gems are pretty good, and the prices aren't to bad either, I like checking out hte gems on there website, beceause the pictures of the gems are taken pretty well, and you can see the table, and the facets.
Posted By Spinach in March, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I love gemselect and I have bought a fair amount from them. The only complaint I have is not being able to save gems. I have a lot of projects so i am in the market for a lot of different gems and it's so disappointing to have to delete them all just to purchase one or two that I have saved in my cart.
Posted By S.Hicks in March, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
I always check this site because they have unique options.
Posted By Lisa in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
Great website to navigate. Awesome Gem selection! Nice photos and discriptions for all of the gems for sale. You can find gems in all price ranges. Checkout was a breeze.
Posted By Timmy in February, 2019
Source: Bizrate
Overall Rating -> 10 star ratings
They had an extensive gemstone selection in all different cuts, sizes, and colors. They also had very good and workable prices. All of these aspects pulled me in as a customer.
Posted By Josh in February, 2019
Source: Bizrate
Overall Rating -> 9 star ratings
It all depend on the product I will receive and have it verified by my in law jewellers.
Posted By Vodka in February, 2019
Source: Bizrate
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1099
More Shapes
  • Asscher Cut
  • Baguette / Scissor Cut
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  • Baguette Carved Leaf
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  • Baguette Crystal Cluster
  • Baguette Facet
  • Baguette Rose-Cut
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  • Baguette Sugarloaf Cabochon
  • Baroque
  • Barrel
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  • Carved Octagon
  • Carved Oval
  • Carved Oval Cabochon
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  • Carved Pear Cabochon
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  • Carved Round
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  • Carved Round Cabochon
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  • Carved Square
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  • Cushion Cabochon
  • Cushion Cabochon
  • Cushion Carved Medusa Cameo
  • Cushion Checkerboard
  • Cushion Checkerboard
  • Cushion Checkerboard (double sided)
  • Cushion Concave Fantasy Cut
  • Cushion Crystal Cluster
  • Cushion Mixed Cut
  • Cushion Rose-Cut
  • Cushion Shape Sugarloaf Cabochon
  • Cushion Sugarloaf Cabochon
  • Cushion-Cut
  • Diamond-Cut
  • Drilled Faceted Sphere
  • Drilled Sphere
  • Drilled Square Rondelle Slice
  • Drop / Pear
  • Fancy Cabochon
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  • Fancy Carved Oval
  • Fancy Carved Pear
  • Fancy Carved Round
  • Fancy Carved Trillion
  • Fancy Carving
  • Fancy Crystal Cluster
  • Fancy Double-Sided Mixed Cut
  • Fancy Facet
  • Fancy Facet
  • Fancy Fantasy Carved Leaf
  • Fancy Fantasy Carving
  • Fancy Slice
  • Fancy Star Facet
  • Fancy-Cut
  • Fantasy Carved Flower
  • Fantasy Carved Flower Cut
  • Fantasy Carved Leaf
  • Fantasy Carved Round Buff-Top
  • Flat Crystal Matrix
  • Flower Carving
  • Flower-Cut
  • Half Heart Cabochon
  • Half Heart Facet
  • Half Moon Cabochon
  • Half Moon Facet-Cut
  • Half-Drilled Briolette
  • Half-Drilled Heart Checkerboard Facet
  • Half-Drilled Sphere
  • Heart Cabochon
  • Heart Checkerboard (double sided)
  • Heart Facet
  • Heart Rose-Cut
  • Hexagon Cut
  • Marquise Cabochon
  • Marquise Checkerboard
  • Marquise Checkerboard (double sided)
  • Marquise Crystal Cluster
  • Marquise Facet
  • Marquise Slice
  • Marquise Sugarloaf Cabochon
  • Octagon / Scissor Cut
  • Octagon Cabochon
  • Octagon Checkerboard
  • Octagon Facet
  • Octagon Step Cut
  • Oval Buff-Top
  • Oval Cabochon
  • Oval Cabochon with Hole
  • Oval Carved Cameo
  • Oval Checkerboard
  • Oval Checkerboard (double sided)
  • Oval Concave Cut
  • Oval Concave Cut Disc
  • Oval Crystal Cluster
  • Oval Diamond-Cut
  • Oval Egg
  • Oval Facet
  • Oval Fancy Facet
  • Oval Fantasy Concave Cut
  • Oval Mixed Cut
  • Oval Portuguese-Cut
  • Oval Rose-Cut
  • Oval Slice
  • Oval Sugarloaf Cabochon
  • 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
  • Rhomb Cabochon
  • Rhomb Checkerboard
  • Rhomb Checkerboard (Double-Sided)
  • Rhomb Facet
  • Rondelle
  • Round Buff-Top
  • Round Cabochon
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  • Round Checkerboard
  • Round Checkerboard (double sided)
  • Round Checkerboard (Double-Sided)
  • Round Concave Cut
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  • Round Domed-Bottom Rose Cut
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  • Round Facet
  • Round Mixed-Cut
  • Round Petal Cut
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  • Shark Fin Cabochon
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  • Shield Cabochon
  • Shield Checkboard
  • Spherical
  • Square / Scissor Cut
  • Square Cabochon
  • Square Facet
  • Square Rose-Cut
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  • Teardrop Cabochon
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  • Trapezoid Cabochon
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  • Triangle Cabochon
  • Trillion Cabochon
  • Trillion Checkerboard
  • Trillion Concave Fantasy Cut
  • Trillion Crystal Cluster
  • Trillion Facet
  • Trillion Rose-Cut
  • Trillion Shape Sugarloaf Cabochon
  • Undrilled Briolette Teardrop
Popular Gemstones
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All Gemstones (143)
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
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  		• Amethyst
  		• Amethyst Geode
  		• Ametrine
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  		• Andesine Labradorite
  		• Apatite
  		• Aquamarine
  		• Aventurine
    • B Back to Top
  		•  Beryl
  		• Black Opal
  		• Bloodstone
  		• Boulder Opal
    • C Back to Top
  		•  Calcite
  		• Carnelian
  		• Cat's Eye Apatite
  		• Cat's Eye Aquamarine
  		• Cat's Eye Augite
  		• Cat's Eye Gemstones
  		• Cat's Eye Moonstone
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  		• Chalcedony
  		• Charoite
  		• Chocolate Opal
  		• Chrome Diopside
  		• Chrome Tourmaline
  		• Chrysoberyl
  		• Chrysocolla
  		• Chrysoprase
  		• Citrine
  		• Color-Change Diaspore
  		• Color-Change Fluorite
  		• Color-Change Garnet
  		• Color-Change Sapphire
  		• Coral
    • D Back to Top
  		•  Demantoid Garnet
  		• Dendritic Agate
  		• Diamond
  		• Druzy Azurite
    • E Back to Top
  		•  Emerald
  		• Enstatite
    • F Back to Top
  		•  Fire Agate
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  		• Fluorite
  		• Fossil Coral
    • G Back to Top
  		•  Garnet
  		• Golden Beryl
  		• Grandidierite
  		• Grossularite Garnet
    • H Back to Top
  		•  Hawk's Eye
  		• Hematite
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  		• Hessonite Garnet
  		• Hiddenite
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    • I Back to Top
  		•  Idocrase
  		• Imperial Topaz
  		• Iolite
    • J Back to Top
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  		•  Kornerupine
  		• Kunzite
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    • L Back to Top
  		•  Labradorite
  		• Lapis Lazuli
  		• Larimar
    • M Back to Top
  		•  Malachite
  		• Malaya Garnet
  		• Mali Garnet
  		• Maw-Sit-Sit
  		• Moonstone
  		• Morganite
  		• Moss Opal
  		• Mother of Pearl
  		• Mystic Quartz
  		• Mystic Topaz
    • N Back to Top
  		•  Nuummite
    • O Back to Top
  		•  Obsidian
  		• 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
  		• Rhodonite
  		• Rose Quartz
  		• Ruby
  		• Ruby in Fuchsite
  		• Ruby-Zoisite
  		• Rutile Quartz
    • S Back to Top
  		•  Sapphire
  		• 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 Lemon Quartz
  		• Star Moonstone
  		• Star Rose Quartz
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  		• Star Sapphire
  		• Star Sunstone
  		• Strawberry Quartz
  		• Sugilite
  		• 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
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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