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Buy Certified Gemstones

(49)
Gem Type Weight Size Clarity Price Origin
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Click for Product Video (240071)
Pastel Blue Tanzanite Gem - 1ct Cushion-Cut (ID: 240071)

Cushion Blue Tanzanite

1ct
6.9 x 4.7 mm
$ 279.99
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1 pc
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Blue Green Grandidierite Gem - 27.9ct Fancy Facet (ID: 470656)

Fancy Turquoise Grandidierite

27.9ct
15.8 x 25 mm
$ 13,925.00
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1 pc
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Multicolor Chocolate Opal Gem - 11.3ct Round Cabochon (ID: 450844)

Round Multicolor Chocolate Opal

11.3ct
16.2 mm
$ 499.99
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1 pc
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Light Green Emerald Gem - 1.6ct Pear Facet (ID: 422644)

Pear Green Emerald

1.6ct
8.8 x 6.9 mm
$ 1,580.00
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1 pc
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Click for Product Video (484831)
Cool Green Amazonite Gem - 82.8ct Pear Cabochon (ID: 484831)

Pear Green Amazonite

82.8ct
40.4 x 28.2 mm
$ 91.08
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1 pc
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Click for Product Video (309548)
Bluish White Sodalite Gem - 2.9ct Oval Facet (ID: 309548)

Oval White Sodalite

2.9ct
15.6 x 7.1 mm
$ 354.50
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1 pc
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Pinkish Iris Violet Amethyst Gem - 3.5ct Half-Drilled Briolette (ID: 456999)

Briolette Violet Amethyst

3.5ct
13.5 x 6.3 mm
$ 34.99
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6 pcs
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Deep Red Pyrope Garnet Gem - 0.5ct Square Step-Cut (ID: 464337)

Square Red Pyrope Garnet

0.49 ct (total 2.96ctw)
4.1 x 4 mm
$ 29.99
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1 pc
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Medium Purple Rhodolite Garnet Gem - 0.9ct Round Facet (ID: 501558)

Round Purple Rhodolite Garnet

0.9ct
5.5 mm
$ 27.28
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1 pc
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Light Blue Green Hemimorphite Druzy Gem - 6.1ct Fancy Crystal Cluster (ID: 439661)

Fancy Turquoise Hemimorphite Druzy

6.1ct
16.6 x 8.9 mm
$ 90.90
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1 pc
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Click for Product Video (470657)
Turquoise Grandidierite Gem - 17.3ct Pear Facet (ID: 470657)

Pear Turquoise Grandidierite

17.3ct
17.6 x 16.4 mm
$ 8,665.00
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19 pcs
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White Sapphire Gem - 0.2ct Briolette with Hole (ID: 480854)

Briolette White Sapphire

0.21 ct (total 4.05ctw)
3.8 x 2.4 mm
$ 75.59
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1 pc
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Click for Product Video (382104)
Pineapple Yellow Apatite Gem - 13.9ct Octagon Step Cut (ID: 382104)

Octagon / Emerald Cut Yellow Apatite

13.9ct
13.2 x 15.6 mm
$ 895.49
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Click for Product Video (415761)
Light Aqua Blue Aquamarine Gem - 4.8ct Pear Facet (ID: 415761)

Pear Blue Aquamarine

4.8ct
13.6 x 9.4 mm
$ 499.99
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Click for Product Video (503095)
Lively Green Idocrase Gem - 6.1ct Oval Facet (ID: 503095)

Oval Green Idocrase

6.1ct
14.5 x 10.1 mm
$ 622.90
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11 pcs
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Hot Pink Sapphire Gem - 0.3ct Briolette with Hole (ID: 488594)

Briolette Pink Sapphire

0.26 ct (total 2.85ctw)
4.9 x 2.8 mm
$ 46.68
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Click for Product Video (486949)
Sky Blue Aquamarine Gem - 9ct Oval Portuguese-Cut (ID: 486949)

Oval Blue Aquamarine

9ct
11.7 x 13.7 mm
$ 1,356.00
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1 pc
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Click for Product Video (486958)
Light Aqua Blue Aquamarine Gem - 6.6ct Oval Portuguese-Cut (ID: 486958)

Oval Blue Aquamarine

6.6ct
9.9 x 11.3 mm
$ 663.00
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2 pcs
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Black Spinel Gem - 14.4ct Barrel Rose Cut (ID: 377594)

Fancy Black Spinel

14.40 ct (total 28.79ctw)
18.1 x 11.7 mm
$ 111.71
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Dark Red Spinel Gem - 1.1ct Cushion-Cut (ID: 484557)

Cushion Red Spinel

1.1ct
6.3 x 5.9 mm
$ 67.80
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Click for Product Video (543889)
Intense Silver Aqua-Blue Diamond Gem - 0.3ct Diamond-Cut (ID: 543889)

Round Blue Diamond

0.3ct
4.3 mm
$ 401.83
Item in Stock
1 2 3
Certified Gemstones

Buy Certified Gemstones from GemSelect

GemSelect's certified gemstones come in a variety of gemstone types. Shop a variety of natural gemstones that all include laboratory certifications. Buying lab certified gemstones means you know exactly what you are getting for your investment. See a gemstone you would like, but it hasn't had certification. Don't worry, GemSelect offers laboratory certification on all of our gemstones per customer request.

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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 / Scissor Cut
  • Barrel Cabochon
  • Barrel Rose Cut
  • Bear Carving with Hole
  • Bird Carving
  • Briolette with Hole
  • Carved Baguette
  • Carved Cameo
  • Carved Cushion
  • Carved Elephant
  • Carved Fancy
  • Carved Fish
  • Carved Fish with Hole
  • Carved Flower
  • Carved Fruit
  • Carved Half Heart
  • Carved Half Moon
  • Carved Heart
  • Carved Heart Cabochon
  • Carved Leaf
  • Carved Marquise
  • Carved Marquise Cabochon
  • Carved Octagon
  • Carved Oval
  • Carved Oval Cabochon
  • Carved Owl
  • Carved Pear
  • Carved Pear Cabochon
  • Carved Rhomb
  • Carved Rose
  • Carved Rose with Half Drilled Hole
  • Carved Round
  • Carved Round Cabochon
  • Carved Sheep
  • Carved Shell
  • Carved Square
  • Carved Teardrop
  • Carved Trillion
  • Carved Turtle
  • Cushion Buff-Top
  • Cushion Cabochon
  • Cushion Carved Medusa Cameo
  • Cushion Checkerboard
  • Cushion Checkerboard (double sided)
  • Cushion Concave Cut
  • 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
  • Fancy Carved Cushion
  • Fancy Carved Oval
  • Fancy Carved Pear
  • Fancy Carved Round
  • Fancy Carved Trillion
  • Fancy Carving
  • Fancy Crystal Cluster
  • 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
  • Flower Carving
  • Flower-Cut
  • Half Heart Cabochon
  • Half Heart Facet
  • Half Moon Cabochon
  • Half Moon Facet-Cut
  • Half Moon Faceted
  • Half-Drilled Briolette
  • Half-Drilled Sphere
  • Heart Cabochon
  • Heart Checkerboard (double sided)
  • Heart Facet
  • Heart Rose-Cut
  • Hexagon Cut
  • Marquise Buff-Top
  • Marquise Cabochon
  • Marquise Checkerboard
  • Marquise Checkerboard (double sided)
  • Marquise Facet
  • Marquise Mixed Cut
  • 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 Crystal Cluster
  • Oval Diamond-Cut
  • Oval Facet
  • Oval Fancy Facet
  • Oval Fantasy Concave Cut
  • Oval Mixed Cut
  • Oval Portuguese-Cut
  • Oval Rose-Cut
  • 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
  • Pentagon Facet
  • Princess-Cut
  • Rhomb Cabochon
  • Rhomb Checkerboard
  • Rhomb Checkerboard (Double-Sided)
  • Rhomb Facet
  • Rondelle
  • Round Buff-Top
  • Round Cabochon
  • Round Carved Cameo
  • Round Checkerboard
  • Round Checkerboard (double sided)
  • Round Concave Cut
  • Round Concave Fantasy Cut
  • Round Drilled Checkerboard (Double Sided)
  • Round Drilled Rondelle
  • Round Facet
  • Round Mixed Cut
  • Round Mixed-Cut
  • Round Petal Cut
  • Round Portuguese-Cut
  • Round Rose-Cut
  • Round Rose-Cut (double sided)
  • Round Slice
  • Shark Fin Cabochon
  • Shield Cabochon
  • Shield Checkboard
  • Spherical
  • Square / Scissor Cut
  • Square Cabochon
  • Square Facet
  • Square Rose-Cut
  • Square Step-Cut
  • Square Sugarloaf Cabochon
  • Square with Hole
  • Tapered Baguette
  • Tapered Baguette Cabochon
  • Teardrop Cabochon
  • Trapezoid
  • Trapezoid Cabochon
  • Trapezoid Checkerboard
  • Triangle
  • Triangle Cabochon
  • Trillion Cabochon
  • Trillion Checkerboard
  • Trillion Concave Cut
  • Trillion Concave Fantasy 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 (144)
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
  • Beryl
  • Black Opal
  • Bloodstone
  • Boulder Opal
  • Calcite
  • Carnelian
  • Cat's Eye Apatite
  • Cat's Eye Aquamarine
  • Cat's Eye Augite
  • Cat's Eye Gemstones
  • Cat's Eye Moonstone
  • Cat's Eye Opal
  • Cat's Eye Scapolite
  • 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
  • Demantoid Garnet
  • Dendritic Agate
  • Diamond
  • Druzy Amethyst
  • Druzy Azurite
  • Emerald
  • Enstatite
  • Fire Agate
  • Fire Opal
  • Fluorite
  • Fossil Coral
  • Garnet
  • Golden Beryl
  • Grandidierite
  • Grossularite Garnet
  • Hawk's Eye
  • Hematite
  • Hemimorphite Druzy
  • Hessonite Garnet
  • Hiddenite
  • 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
  • Moss Opal
  • Mother of Pearl
  • Mystic Quartz
  • Mystic Topaz
  • Nuummite
  • Obsidian
  • Opal
  • Opal Doublet
  • Opal in Matrix
  • Pearl
  • Peridot
  • Pietersite
  • Prehnite
  • Pyrite
  • Pyrope Garnet
  • Quartz
  • Quartz Cat's Eye
  • Quartz With Marcasite
  • Rainbow Moonstone
  • Rainbow Pyrite
  • Rhodochrosite
  • Rhodolite Garnet
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  • Rose Quartz
  • Rubellite Tourmaline
  • Ruby
  • Ruby in Fuchsite
  • Ruby-Zoisite
  • Rutile Quartz
  • Sapphire
  • Scolecite
  • Seraphinite
  • Serpentine
  • Sillimanite
  • Sillimanite Cat's Eye
  • Smithsonite
  • Smoky Quartz
  • Snowflake Obsidian
  • Sodalite
  • Spectrolite
  • Spessartite Garnet
  • Sphalerite
  • Sphene
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  • Star Garnet
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  • Star Lemon Quartz
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  • Star Ruby
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  • Sugilite
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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