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
Padparadsha 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
Peach
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
10x8mm Sky Blue Topaz Concave Emerald Cuts
$210.00
10x8mm Sky Blue Topaz GeoCuts™
$138.00
10x8mm Tashmarine Oval
$1,465.00
10x8mm White Topaz Carved Scarab Oval Cabs
$54.00
10x8mm Yellow Citrine Carved Scarab Oval Cabs
$90.00
10x8mm Yellow Citrine GeoCuts™
$201.00
10x9mm Play of Color Cabochon Mexican Opal Ring in 18kt Yellow Gold
$14,754.00
11.05ct Blue Sapphire Oval Cab
$450.00
11.38ct Blue Sapphire Freeform Slice
$512.10
11.52ct AA Aquamarine Concave Pear
$11,520.00
11.80ct Rubelite Tourmaline Oval
$8,260.00
118ct Mexican Fire Opal Faceted Rondelle Bead Strand
$4,720.00
11mm Gem Round Mabe Cortez Pearls®
$375.00
11mm Raja Garnet® Hearts
$570.00
11mm Round Cortez Pearl® Drop Earrings in 14kt Yellow Gold
$7,741.00
11x9 to 16x12mm Sky Blue Topaz Rose Cut Ovals
From
$131.40
11x9 to 18x13mm Brazilian Lavender Quartz Ovals
From
$102.00
11x9mm Dark Green Imperial Diopside Concave Cushions
$1,575.00
11x9mm Orange Mexican Fire Opal Oval
$1,145.00
11x9mm Oregon Sunstone Checkerboard Cushions
$1,275.00
11x9mm Oval Blue Sapphire Fishhook Pendant in 14kt White Gold
$16,762.00
11x9mm Red Mexican Fire Opal Oval
$1,233.75
12.25ct Tourmaline Elongated Cab
$4,287.50
12.61ct Seafoam Tourmaline® Concave Round
$10,088.00
12.82ct Mesa Verde® Peridot Cushion
$4,808.00
128ct Purple Sage Chalcedony® Graduated Rondell Bead Strand
$1,445.98
12mm A Amethyst Honeycomb Hexagons
$357.00
12mm Blue Sapphire Round Cab
$702.00
12mm Gem Blue Mexican Chalcedony Cushion Cabs
$195.00
12mm Labradorite Triangle Mason Eyes
$195.00
12mm Oregon Blue Hyalite Opal Carved Hearts
$525.00
Sold Out
12mm Oregon Sunstone Fancy Trillions
$1,230.00
12mm Rutilated Quarts Sphere Cabs - Light Rutile
$84.00
12mm Swiss Blue Topaz Concave Trillion
$375.00
12x10 to 16x12mm Clear Quartz Synch Cut Oval Bear Intaglio Carvings
$168.00
12x10 to 16x12mm Clear Quartz Synch Cut Oval Eagle Intaglio Carvings
$168.00
12x10 to 16x12mm Clear Quartz Synch Cut Oval Octopus Intaglio Carvings
$168.00
12x10 to 16x12mm Clear Quartz Synch Cut Oval Puffin Intaglio Carvings
$168.00
12x10 to 16x12mm Clear Quartz Synch Cut Oval Starfish Intaglio Carvings
$168.00
12x10 to 16x12mm Clear Quartz Synch Cut Oval Whale Intaglio Carvings
$168.00
1
…
7
8
9
10
11
…
40