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(18)
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Multicolor Boulder Opal Gem - 41.4ct Oval Cabochon (ID: 522985)

Oval Multicolor Boulder Opal

41.4ct
29.7 x 21.2 mm
$ 206.85
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Multicolor Boulder Opal Gem - 32.4ct Oval Cabochon (ID: 302922)

Oval Multicolor Boulder Opal

32.4ct
33.7 x 15 mm
$ 226.73
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Multicolor Boulder Opal Gem - 20.9ct Oval Cabochon (ID: 300454)

Oval Multicolor Boulder Opal

20.9ct
25.5 x 14.9 mm
$ 146.44
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Multicolor Boulder Opal Gem - 33.4ct Oval Cabochon (ID: 300450)

Oval Multicolor Boulder Opal

33.4ct
28.1 x 19 mm
$ 233.52
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Multicolor Boulder Opal Gem - 28.6ct Oval Cabochon (ID: 300453)

Oval Multicolor Boulder Opal

28.6ct
23.1 x 18.5 mm
$ 200.06
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Multicolor Boulder Opal Gem - 36.7ct Oval Cabochon (ID: 523723)

Oval Multicolor Boulder Opal

36.7ct
39.1 x 16.4 mm
$ 183.30
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Multicolor Boulder Opal Gem - 21ct Oval Cabochon (ID: 321920)

Oval Multicolor Boulder Opal

21ct
27.9 x 12.8 mm
$ 147.28
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Multicolor Boulder Opal Gem - 23.3ct Oval Cabochon (ID: 302900)

Oval Multicolor Boulder Opal

23.3ct
20.8 x 14 mm
$ 163.38
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Multicolor Boulder Opal Gem - 22.7ct Oval Cabochon (ID: 321842)

Oval Multicolor Boulder Opal

22.7ct
21.8 x 16.5 mm
$ 158.69
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Multicolor Boulder Opal Gem - 27.6ct Oval Cabochon (ID: 521769)

Oval Multicolor Boulder Opal

27.6ct
29.3 x 19.2 mm
$ 138.15
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Multicolor Boulder Opal Gem - 21.3ct Oval Cabochon (ID: 321921)

Oval Multicolor Boulder Opal

21.3ct
27.3 x 13.1 mm
$ 149.24
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Multicolor Boulder Opal Gem - 54.7ct Oval Cabochon (ID: 322038)

Oval Multicolor Boulder Opal

54.7ct
27.3 x 23.3 mm
$ 382.97
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Multicolor Boulder Opal Gem - 22.5ct Oval Cabochon (ID: 321845)

Oval Multicolor Boulder Opal

22.5ct
24.8 x 20 mm
$ 157.78
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Multicolor Boulder Opal Gem - 34.2ct Oval Cabochon (ID: 410119)

Oval Multicolor Boulder Opal

34.2ct
23.4 x 19.6 mm
$ 239.47
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Multicolor Boulder Opal Gem - 42.7ct Oval Cabochon (ID: 322037)

Oval Multicolor Boulder Opal

42.7ct
27.5 x 20.8 mm
$ 299.11
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Multicolor Boulder Opal Gem - 36.1ct Oval Cabochon (ID: 321930)

Oval Multicolor Boulder Opal

36.1ct
29.8 x 18.5 mm
$ 252.63
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Multicolor Boulder Opal Gem - 26.4ct Oval Cabochon (ID: 521759)

Oval Multicolor Boulder Opal

26.4ct
28.5 x 17.9 mm
$ 132.15
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Multicolor Boulder Opal Gem - 22.2ct Oval Cabochon (ID: 302926)

Oval Multicolor Boulder Opal

22.2ct
22.7 x 18.1 mm
$ 155.12
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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.

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1099
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
  • Ball Facet
  • Baroque
  • Barrel
  • Barrel / Checkerboard
  • Barrel / Full-Round
  • Barrel / Scissor Cut
  • Barrel Cabochon
  • Barrel Rose Cut
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  • Bullet Shape Checkerboard
  • Carved
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  • Carved Heart Cabochon
  • Carved Leaf
  • Carved Marquise
  • Carved Marquise Cabochon
  • Carved Octagon
  • Carved Oval
  • Carved Oval Cabochon
  • Carved Pear
  • Carved Pear Cabochon
  • Carved Rhomb
  • Carved Rose
  • Carved Rose with Half Drilled Hole
  • Carved Round
  • Carved Round Bar
  • 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 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
  • Drilled Square Rondelle Slice
  • Fancy Bicone
  • Fancy Cabochon
  • Fancy Carved Cushion
  • Fancy Carved Oval
  • Fancy Carved Pear
  • Fancy Carved Round
  • Fancy Carved Trillion
  • Fancy Carving
  • Fancy Concave Cut
  • Fancy Crystal Cluster
  • Fancy Cut
  • Fancy Facet
  • 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 Heart 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 Concave Cut
  • Marquise Facet
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  • Marquise Slice
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  • 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 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
  • 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
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  • Square / Scissor Cut
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  • Trapezoid Cabochon
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  • Triangle Cabochon
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  • Trillion Cabochon
  • Trillion Checkerboard
  • Trillion Concave Cut
  • Trillion Crystal Cluster
  • Trillion Facet
  • Trillion Rose-Cut
  • Trillion Shape Sugarloaf Cabochon
  • Undrilled Briolette Teardrop
Popular Gemstones
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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
    A Back to Top
  		•  Actinolite Cat's Eye
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  		• Amazonite
  		• Amethyst
  		• Ametrine
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  		• Apatite
  		• Aquamarine
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    • B Back to Top
  		•  Beryl
  		• Black Opal
  		• Bloodstone
  		• Boulder Opal
    • C Back to Top
  		•  Calcite
  		• Carnelian
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  		• Cat's Eye Aquamarine
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  		• Cat's Eye Gemstones
  		• Cat's Eye Moonstone
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  		• Chocolate Opal
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  		• Color Change Gemstones
  		• Color-Change Diaspore
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  		• 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
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  		• Fossil Coral
    • G Back to Top
  		•  Garnet
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  		• Grandidierite
  		• Grossularite Garnet
    • H Back to Top
  		•  Hawk's Eye
  		• Hematite
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  		• Hessonite Garnet
  		• Hiddenite
  		• Howlite
  		• Hyalite Opal
    • I Back to Top
  		•  Idocrase
  		• Imperial Topaz
  		• Iolite
    • J Back to Top
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    • 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
  		• Moss Opal
  		• Mother of Pearl
  		• 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
  		• 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
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  		• Star Garnet
  		• Star Gemstones
  		• Star Lemon Quartz
  		• Star Moonstone
  		• Star Rose Quartz
  		• Star Ruby
  		• 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