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
7mm A Wyoming Ruby Round
$815.00
Sold Out
7mm Bi-Color Montana Sapphire Round Slice
$297.00
7mm Button Pearl Stud Earrings in 14kt Yellow Gold
$189.00
7mm Liberian Ruby Sugarloaf Cabs
$675.00
7mm Raja Garnet® Hearts
$66.00
7mm Rhubarb Sapphire Round Cab
$5,136.00
7mm Rock Crystal 66cm Round Bead Strands
$90.00
7mm Round Natural Imperial Diopside & Diamond Cradle Pendant in 14kt White Gold
$2,169.00
7mm Round Neon Tourmaline & Diamond Channel Set Ring in 14kt White Gold
$4,742.00
7mm Seafoam Tourmaline® Portuguese Round
$766.50
7mm Tashmarine Portuguese Round
$652.50
7mm Trillion Blue Sapphire & Diamond Drop Dangle Pendant in 18k White Gold
$5,390.00
7x5 to 12x9mm Goshenite Cushions
From
$57.75
7x5 to 12x9mm Heliodor Cushions
From
$173.25
7x5 to 14x10mm Sky Blue Topaz Fantasy Ovals
From
$37.50
7x5 to 14x10mm Yellow Citrine Fantasy Emerald Cuts
From
$48.00
7x5 to 14x10mm Yellow Citrine Fantasy Ovals
From
$45.00
7x5 to 8x6mm Imperial Diopside® Oval Cabs
From
$180.00
7x5 to 8x6mm Morganite Hexagons
From
$282.00
7x5 to 8x6mm Moss Agate Emerald Cuts
From
$39.00
7x5 to 8x6mm Moss Agate Ovals
From
$36.00
7x5 to 9x7mm Fire Citrine® Cushions
From
$54.00
7x5 to 9x7mm Mesa Verde® Peridot Cushions
From
$90.00
7x5 to 9x7mm Oregon Sunstone Rose Cut Ovals
From
$66.00
7x5mm A Amethyst Half Moons
$42.00
7x5mm A Pink Tourmaline Ovals
$435.00
7x5mm AA Iris Amethyst® Half Moons
$51.00
7x5mm Anthill Garnet Emerald Cuts
$108.00
7x5mm Anthill Garnet Pears
$96.00
7x5mm Bi-Color Australian Sapphire Oval
$2,250.00
7x5mm Blue Zircon Pears
$300.00
7x5mm Citrine Half Moons
$57.00
7x5mm Mesa Verde® Peridot Half Moons
$90.00
7x5mm Orange Mexican Fire Opal Cushions
$135.00
7x5mm Oval Blue Topaz Bezel Ring in 14kt Yellow Gold & SS
$699.00
7x5mm Oval Denim Sapphire & Diamond Ring in 14kt White Gold
$3,825.00
7x5mm Oval Natural Oregon Sunstone East-West Gemstone Ring in 14kt Rose Gold
$1,116.00
7x5mm Oval Raja Garnet® Stud Earrings in 14k Yellow Gold
$420.00
7x5mm Peach Cat's Eye Moonstone Oval Cabs
$69.00
Sold Out
7x5mm Rhodolite Garnet Fantasy Emerald Cuts
$75.00
1
…
29
30
31
32
33
…
40