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
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
✖
Gem Variety
Alexandrite
Andalusite
Aquamarine
Citrine
Diopside
Emerald
Garnet
Ruby
Sapphire
Spinel
Tourmaline
Variety Specifics
Anthill Garnet
Australian Sapphire
Brazilian Emerald
Grape Garnet
Imperial Diopside
Montana Sapphire
Pomme Ruby
Spessartite Garnet
Tsavorite Garnet
Wyoming Ruby
Yellow Citrine
Yogo Sapphire
Shape
Cushion
Emerald Cut
Freeform
GeoCuts
Half Moon
Heart
Hexagon
Octagon
Oval
Pear
Pentagon
Round
Woz Cut
Shape Specifics
Fancy Cut
Square
Tablet Cut
Fair Trade Level
1
2
3
4
5
Origin
Afghanistan
Africa
Australia
Brazil
Cambodia
Colombia
India
Kenya
Madagascar
Nigeria
Russia
USA
Location
Arizona
Montana
Odisha
Wyoming
Yakutsk
Color
Bi-Color
Black
Blue
Brown
Denim
Green
Orange
Pink
Purple
Red
Yellow
Treatment
Heat-Only
Not Treated
Oiled
Gem Cut
Faceted
Stone Size
1.1mm
1.25mm
1.2mm
1.3mm
1.4mm
1.5mm
1.6mm
1.75mm
1.7mm
1.8mm
1.9mm
1mm
2.1mm
2.25mm
2.2mm
2.3mm
2.4mm
2.5mm
2.6mm
2.75mm
2.8mm
2mm
3.1mm
3.25mm
3.3mm
3.5mm
3.6mm
3.75mm
3mm
5.25mm
5.75mm
6.25mm
6mm
6x4mm
7x5mm
Free Size
Mixed
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
Varies By Stone
4 to 6mm Nevada Golden Sage Chalcedony 16" Round Bead Strands
From
$105.00
4 to 6mm Raja Garnet® Hexagons
From
$24.00
4 to 6mm Seafoam Tourmaline® Princess Cuts
From
$144.00
4 to 7mm Black Spinel Trillions
From
$28.50
4 to 7mm Green Tourmaline Princess Cuts
From
$108.00
4 to 7mm Mesa Verde® Peridot Rounds
From
$33.00
4 to 7mm Mesa Verde® Peridot Trillions
From
$33.00
4 to 7mm Red Clearwater Idaho Garnet Rounds
From
$45.00
4 to 8mm AA Blue Apsara Zircon® Trillions
From
$105.00
4 to 8mm AA Blue Aquamarine Trillions
From
$75.00
4 to 8mm Apatite Round Cabs
From
$60.00
4 to 8mm Blue AAA Aquamarine Trillions
From
$120.00
4 to 8mm Colorado Rhodonite 16" Round Bead Strands
From
$105.00
4 to 8mm Fire Citrine® Trillions
From
$28.50
4 to 8mm Grape Garnet® Trillions
From
$54.00
4 to 8mm Mesa Verde® Peridot Triangles
From
$32.25
4 to 8mm Montana Agate Round Cabs
From
$30.00
4 to 8mm Moonstone Round Cabs
From
$45.00
4 to 8mm Moss Agate Rounds
From
$39.00
4 to 8mm Natural Round Cabochon Cut Wisconsin Moonstone
From
$36.00
4 to 8mm Nightsky Iolite® Trillions
From
$18.00
4 to 8mm Red/Orange Mexican Fire Opal Trillions
From
$52.50
4 to 8mm Rhodolite Garnet Triangles
From
$180.00
4 to 9.5mm Rhodolite Garnet Trillions
From
$22.50
4 to 9mm Anthill Garnet Rounds
From
$60.00
4 to 9mm Imperial Diopside® Trillions
From
$33.00
4 to 9mm Red/Orange Mexican Fire Opal Rounds
From
$48.00
4.05ct Kaleidoscope Montana Sapphire Cushion
$17,820.00
4.15ct Blue Mulanje Sapphire Round Cab
$4,150.00
4.31ct Freeform Orange Mexican Fire Opal Pendant in 14kt Yellow Gold
$4,559.00
4.34 ct Anthill Garnet GeoCut™
$1,356.25
4.46ct Golden Imperial Topaz Oval
$5,798.00
4.5 to 6mm AAA Pink Tourmaline Checkerboard Cushions
From
$540.00
4.55ct Blue Mulanje Sapphire Cushion
$18,200.00
Sold Out
4.5mm AA Emerald Trillions
$624.00
4.5mm to 7mm Blue Apatite Trillions
From
$75.00
4.5mm to 7mm Blue/Green Apatite Trillions
From
$87.00
Sold Out
4.63ct Dark Denim Montana Sapphire Flame Cut Cab
$4,051.00
4.67ct Imperial Jade Oval Cab
$750.00
4.84ct Dark Blue Mulanje Sapphire Oval
$29,040.00
1
…
20
21
22
23
24
…
40