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
1.5 to 3.5mm Red Zircon Rounds
From
$20.25
1.5 to 3.75mm Neon Green Beryl Rounds
From
$24.00
1.5 to 3mm Grape Garnet® Round Cabs
From
$25.50
1.5 to 3mm Imperial Diopside® Round Cabs
From
$24.00
1.5 to 3mm Jadeite Round Cabs
From
$16.50
1.5 to 3mm Lapis Round Cabs
From
$24.00
1.51ct Red Oregon Sunstone Oval
$1,510.00
1.52ct Anthill Garnet GeoCut™
$410.40
1.54ct AA African Ruby Brilliant Emerald Cut
$23,100.00
1.55ct Anthill Garnet GeoCut™
$418.50
1.56ct Anthill Garnet GeoCut™
$421.20
1.57ct A Wyoming Ruby Emerald Cut
$942.00
1.63ct Spessartite Garnet Oval
$735.00
Sold Out
1.68ct Anthill Garnet GeoCut™
$453.60
1.69ct Spessartite Garnet Pear
$760.50
1.75 to 3.5mm AA Wyoming Ruby Rounds
From
$24.00
1.75 to 3.5mm AAA Wyoming Ruby Rounds
From
$30.00
1.75 to 3mm Goshenite Rounds
From
$21.00
1.77ct Pink African Padparadscha Sapphire Pear
$14,160.00
1.78ct Anthill Garnet Oval
$534.00
1.84ct AA Wyoming Ruby Emerald Cut
$1,380.00
Sold Out
1.84ct Anthill Garnet Oval
$552.00
1.85ct AAA Wyoming Ruby Round
$3,425.00
1.88ct Red Spinel Square Emerald Cut
$5,640.00
Sold Out
1.96ct AAA Wyoming Ruby Emerald Cut
$2,940.00
10 to 12mm AA Iris Amethyst® Concave Snowflakes
From
$165.00
10 to 12mm Chilean Lapis Round Cone Cabs
From
$60.00
10 to 12mm Gem Blue Mexican Chalcedony Rose Cut Rounds
From
$129.00
10 to 12mm Gem Blue Mexican Chalcedony Round Cabs
From
$102.00
10 to 12mm Montana Agate Round Cabs
From
$66.00
10 to 12mm Oregon Black Stallion Jasper Round Cone Cabs
From
$54.00
10 to 12mm Oregon Blue Hyalite Opal Honeycomb Hexagons
From
$437.00
10 to 14mm Labradorite Round Compass Carvings
From
$150.00
10 to 14mm Labradorite Round Moon Face Carvings
From
$150.00
10 to 14mm Labradorite Round Owl Carvings
From
$135.00
10 to 18mm Arkansas Clear Quartz Texas Star Rounds
From
$90.00
10-10.5mm AA Semi-Round Cortez Pearls®
$2,746.25
10-10.5mm AAA Baroque Cortez Pearls®
$1,911.00
10-10.5mm AAA Semi-Round Cortez Pearls®
$3,235.00
10-10.5mm Gem Semi-Round Cortez Pearls®
$4,696.25
1
2
3
4
…
21