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
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
5 to 8mm Black Spinel Rose Cut Hexagons
From
$45.00
5 to 8mm Green Imperial Diopside® Checkerboard Cushions
From
$108.00
5 to 8mm Mesa Verde® Peridot Checkerboard Cushions
From
$54.00
5 to 8mm Oregon Sunstone Checkerboard Cushions
From
$66.00
5 to 8mm Rutilated Quart Hexagons - Heavy Rutile
From
$48.00
5 to 8mm Rutilated Quartz Hexagons - Light Rutile
From
$24.00
5 to 8mm Straw Yellow Oregon Sunstone Rounds
From
$15.00
5.14ct Mexican Fire Opal Concave Hexagon
$3,215.00
5.18ct Mesa Verde® Peridot Portuguese Round
$3,885.00
5.18ct Peach Tourmaline Cushion
$4,144.00
5.47ct Oregon Sunstone Hexagon
$2,735.00
5.5mm AA Pinkish-Red African Ruby Trillion
$4,250.00
5.5mm Light Lavender/Blue Montana Sapphire Rose Cut Hexagons
$1,044.00
Sold Out
5.5mm Yellow Sapphire Portuguese Round
$1,350.00
5.72ct Color Change Sphene Cushion Cut
$4,004.00
5.75mm Arizona Turquoise Square Cabs
$60.00
5.76ct Mexican Fire Opal Concave Hexagon
$1,944.00
50x31mm Clear Quartz Freeform Peacock Carving
$600.00
51.14ct Sapphire Freeform Crystal Slice Trio
$1,278.50
Sold Out
5mm Light Blue Montana Sapphire Rose Cut Hexagons
$333.00
5mm Morganite Hexagons
$171.00
5mm Square Checkerboard Cut Green Seafoam Tourmaline® Bracelet in 14kt White Gold
$13,000.00
5x2.5 to 6x3 mm Mesa Verde® Peridot Rose Cut Marquise
$30.00
5x2.5mm Black Spinel Baguettes
$27.75
5x2.5mm Imperial Diopside Baguettes
$51.00
5x2.5mm Morganite Marquise
$48.00
5x3 to 10x8mm Oregon Sunstone Ovals
From
$63.00
5x3 to 11x9mm Imperial Diopside® Ovals
From
$54.00
5x3 to 12x10mm Red Clearwater Idaho Garnet Ovals
From
$45.00
5x3 to 12x10mm Rhodolite Garnet Ovals
From
$18.00
5x3 to 12x10mm Yellow Oregon Opal Ovals
From
$22.50
5x3 to 14x10mm Red/Orange Mexican Fire Opal Ovals
From
$52.50
5x3 to 16x12mm Montana Amethyst Ovals
From
$21.00
5x3 to 18x13mm A Amethyst Ovals
From
$18.75
5x3 to 6x4mm Anthill Garnet Kites
From
$60.00
5x3 to 6x4mm Lavender Spinel Ovals
From
$360.00
5x3 to 6x4mm Oregon Sunstone Pear Cabs
From
$69.00
5x3 to 7x5mm Chrysoberyl Ovals
From
$105.00
5x3 to 7x5mm Golden Imperial Topaz Brilliant Emerald Cuts
From
$168.00
5x3 to 7x5mm Golden Imperial Topaz Cushions
From
$144.00
1
…
11
12
13
14
15
…
21