Skip to content
Only a small portion of our inventory is currently online. Contact us directly if you cannot find what you're looking for.
Submit
Get on the list
Account
Search
Close
Search
Loading...
Cart
Submit
Get on the list
Home
Gemstones
Faceted
Cabochons
Melee
Slices & Crystals
Carvings
Featured
American Gems
Montana Sapphires
Objet D' Art
Jewelry
Collections
Organics Collection
GemDots™ Collection
Stackers Collection
Rings
Earrings
Pendants
Necklaces
Bracelets
Suites
Ready to Ship
Pearls
Cortez Pearls
Loose
Learn More About Cortez Pearls
Cultured Pearls
Loose
Beads
Beads
Services
Cutting
Consulting
Speaking Engagements
Wholesale Accounts
Fair Trade Gems
Principles & Protocols
Resources
Fair Trade Blog
Gem Facts Pages
Gem Education
Travel the World of Gems
Gemstone Spotlight
Gemstone Glossary
How Gemstones are Cut
Gem Care & Cleaning
Jewelry Education
Step by Step
Designer Profile
Settings Glossary
Care and Cleaning
About Us
Wholesale
Account
Home
/
columbiagemhouse
/
Treatment: Not Treated
columbiagemhouse
Filter
Sort by
Sort by
Featured
Best Selling
Title, A-Z
Title, Z-A
Price, low to high
Price, high to low
Date, new to old
Date, old to new
✖
Filter
Treatment: Not Treated
remove
Gem Variety
Alexandrite
Amethyst
Andalusite
Diopside
Garnet
Jade
Lapis
Neon Green Beryl
Peridot
Quartz
Ruby
Sapphire
Spinel
Sunstone
Tourmaline
Turquoise
Zircon
Variety Specifics
Anthill Garnet
Chilean Lapis
Clear Quartz
Grape Garnet
Imperial Diopside
Iris Amethyst
Jadeite
Mesa Verde Peridot
Montana Sapphire
Oregon Sunstone
Pomme Ruby
Seafoam Tourmaline
Spessartite Garnet
Tsavorite Garnet
Wyoming Ruby
Yogo Sapphire
Shape
Emerald Cut
GeoCuts
Oval
Pear
Round
Shape Specifics
Fair Trade Level
1
2
3
4
5
Origin
Afghanistan
Africa
Brazil
Cambodia
Chile
India
Kenya
Madagascar
Nigeria
Russia
USA
Uruguay
Location
Arizona
Arkansas
Montana
Odisha
Oregon
Wyoming
Yakutsk
Color
Bi-Color
Black
Blue
Brown
Colorless
Green
Orange
Peach
Pink
Purple
Red
Teal
White
Treatment
Not Treated
remove
Gem Cut
Cabochon
Faceted
Stone Size
1.1mm
1.25mm
1.2mm
1.3mm
1.4mm
1.5mm
1.6mm
1.75mm
1.7mm
1.9mm
10mm
1mm
2.1mm
2.25mm
2.2mm
2.3mm
2.4mm
2.5mm
2.6mm
2.75mm
2mm
3.25mm
3.5mm
3.75mm
3mm
4mm
5mm
6mm
7x5mm
8mm
8x5mm
8x6mm
Free Size
Total Gem Weight
0.0 to 0.25 carat
0.25 to 0.50 carat
0.50 to 0.75 carat
0.75 to 1.0 carat
1.0 to 1.50 carats
1.50 to 2.0 carats
10.0+ carats
3.0 to 5.0 carats
5.0 to 10.0 carats
3 to 6mm Raja Garnet Princess Cuts
From
$18.00
3 to 6mm White Topaz Princess Cuts
From
$24.00
3 to 7mm Mesa Verde® Peridot Princess Cuts
From
$30.75
3 to 7mm Oregon Sunstone Round Cabs
From
$34.50
3 to 7mm Rhodolite Garnet Princess Cuts
From
$15.00
3 to 8mm Idaho Garnet Princess Cuts
From
$39.00
3 to 8mm Nightsky Iolite® Princess Cuts
From
$19.50
3 to 8mm Oregon Sunstone Trillions
From
$45.00
3 to 8mm Seafoam Tourmaline® Trillions
From
$75.00
3.11ct Mesa Verde® Peridot Half Moon
$466.50
3.18ct Ruby Triangle Slice
$715.50
3.32ct Grape Garnet® Elongated Emerald Cut
$1,660.00
3.35ct Imperial Diopside Elongated Trillion
$1,256.00
3.5 to 5mm Grossular Garnet Triangles
From
$60.00
3.5 to 5mm Pink Tourmaline Hexagon
From
$120.00
3.50ct Ruby Freeform Crystal
$1,312.50
3.56ct Celery Green Maine Tourmaline Bullet Cab
$1,335.00
3.59ct Mesa Verde® Peridot Cushion
$1,615.00
3.5x2.5mm Montana Sapphire East-West Full Drill Briolettes
$189.00
3.74ct Ruby Freeform Crystal
$1,122.00
Sold Out
3.75ct Green Montana Sapphire Portuguese Round
$26,250.00
3.78ct Mesa Verde® Peridot Elongated Cushion
$567.00
30.64ct Gem Blue Mexican Chalcedony Triangle Cab
$1,378.80
30mm Polka Dot Agate Round Cabs
$87.00
30x15mm Caldera Jasper Cushion Cabs
$90.00
30x28mm Clear Quartz Freeform Peacock Bas Relief Carving
$525.00
30x30mm Clear Quartz Freeform Crab Intaglio Carving
$450.00
30x5mm Colorado Rhodonite Marquise Cabs
$45.00
32.11ct Seafoam Tourmaline® Brilliant Concave Oval
$33,715.50
33x20mm Oregon Opal Freeform Intaglio Whale Carving
$600.00
34.3ct Gem Blue Mexican Chalcedony Oval Cab
$1,286.25
36.28ct Mexican Fire Opal Concave Round
$18,140.00
36x15mm Caldera Jasper Triangle Cabs
$90.00
36x31mm Clear Quartz Freeform Peacock Bas Relief Carving
$540.00
38.68cts Gem Blue African Chalcedony Cab
$600.00
3mm Black Spinel Triangles
$28.50
Sold Out
3mm Mesa Verde® Peridot Buff Top Rounds
$30.00
3mm Moss Agate Trillions
$36.00
3mm Oregon Sunstone Trillions - No Schiller
From
$30.00
Sold Out
3x1.5mm A Pomme Ruby™ Marquise
$39.00
1
…
7
8
9
10
11
…
21