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Calibrated Size
» Calibrated Round Cut Gems 12 mm [152 Items]
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Agate
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You Selected:
Round » 12 mm
Clear Selection
6.12ct Strawberry Quartz
12.21 x 7.54 mm
$76.50
5.31ct Prehnite
11.98 x 6.83 mm
$23.90
11.4ct Prehnite
12.01 x 7.02 mm
$51.30
10.12ct VVS Topaz
11.78 x 9.5 mm
$69.80
7.8ct VVS Topaz
12.06 x 7 mm
$53.65
8.73ct Lapis Lazuli
12.11 x 7.62 mm
$13.97
5.81ct Prehnite
11.94 x 6.99 mm
$26.14
5.94ct VVS Quartz
12.03 x 7.79 mm
$8.17
6.99ct VS Amethyst
12.3 x 8.9 mm
$47.90
6.3ct VVS Amethyst
11.8 x 8.52 mm
$34.65
5.39ct Prehnite
11.97 x 6.52 mm
$24.26
5.73ct Prehnite
12.07 x 6.83 mm
$25.79
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Choose a Gemtype
Agate
Agate Geode
Almandine Garnet
Amazonite
Amber
Amethyst
Ametrine
Ammolite
Andalusite
Andesine Labradorite
Apatite
Aquamarine
Aventurine
Axinite
Azotic Topaz
Beryl
Bloodstone
Boulder Opal
Calcite
Carnelian
Cassiterite
Cat's Eye Apatite
Cat's Eye Aquamarine
Cat's Eye Scapolite
Cat's Eye Tourmaline
Chalcedony
Charoite
Chrome Diopside
Chrome Tourmaline
Chrysoberyl
Chrysoberyl Cat's Eye
Chrysocolla
Chrysoprase
Citrine
Clinohumite
Color-Change Diaspore
Color-Change Garnet
Color-Change Sapphire
Coral
Danburite
Demantoid Garnet
Dendritic Agate
Diamond
Dumortierite Quartz
Emerald
Fire Agate
Fire Opal
Fluorite
Fossil Coral
Goshenite
Grossularite Garnet
Hambergite
Hematite
Hemimorphite
Hessonite Garnet
Idocrase
Iolite
Jadeite
Jasper
Kunzite
Kyanite
Labradorite
Lapis Lazuli
Larimar
Lepidolite
Malachite
Mali Garnet
Maw-Sit-Sit
Moldavite
Moonstone
Morganite
Mystic Quartz
Mystic Topaz
Obsidian
Opal
Opal Doublet
Orthoclase
Paraiba Tourmaline
Pearl
Peridot
Prehnite
Pyrope Garnet
Quartz
Quartz Cat's Eye
Rainbow Moonstone
Rhodochrosite
Rhodolite Garnet
Rhodonite
Rose Quartz
Rubellite Tourmaline
Ruby
Ruby-Zoisite
Rutile Quartz
Rutile Topaz
Sapphire
Scapolite
Seraphinite
Sillimanite Cat's Eye
Smithsonite
Smoky Quartz
Snowflake Obsidian
Sodalite
Spessartite Garnet
Sphalerite
Sphene
Spinel
Spodumene
Star Diopside
Star Moonstone
Star Rose Quartz
Star Ruby
Star Sapphire
Star Sunstone
Strawberry Quartz
Sugilite
Sunstone
Tanzanite
Tashmarine Diopside
Tiger's Eye
Tiger's Eye Matrix
Topaz
Tourmaline
Tsavorite Garnet
Turquoise
Variscite
Zircon
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