Skip to content

Search

Home
Shop
Fair Trade Gems
About Us
Events
Loyalty
Wholesale
Log In/Create Account

Only a small portion of our inventory is currently online.

Sign up for wholesale access

Vault Access has officially unlocked.

Home
Shop
Fair Trade Gems
About Us
Events
Loyalty
Wholesale

Gemstones

84 products

Sort by

Featured
Most relevant
Best selling
Alphabetically, A-Z
Alphabetically, Z-A
Price, low to high
Price, high to low
Date, old to new
Date, new to old

>20mm
Clear all

Gem Variety

Variety Specifics

Shape

Shape Specifics

Antique (0)
Barion (0)
Brilliant Cut (0)
Buff Top (0)
Checkerboard Top (0)
Concave Cut (4)
Cone (0)
Disc (1)
Elongated (6)
Fancy Cut (6)
Fantasy (2)
Flute (0)
Hi Top (0)
Onion (0)
Opposed Bar (0)
Portrait Cut (1)
Portuguese Cut (0)
Rose Cut (2)
Scarab (0)
Smooth (0)
Spiral (2)
Square (0)
Star Effect (0)
Step Cut (0)
Straight Side (0)
Tablet Cut (4)
Tapered (0)

Fair Trade Level

1 (51)
2 (10)
3 (20)
4 (0)
5 (3)

Origin

Afghanistan (2)
Africa (7)
Australia (0)
Australian (0)
Bolivia (0)
Brazil (11)
Cambodia (0)
Canada (0)
Chile (3)
China (0)
Colombia (0)
India (1)
Kenya (0)
Liberia (1)
Madagascar (0)
Mexico (7)
Nigeria (0)
Pakistan (0)
Russia (0)
South Africa (0)
Sri Lanka (0)
Tanzania (0)
Uruguay (2)
USA (49)
Vietnam (0)

Location

Arizona (2)
Arkansas (14)
British Columbia (0)
California (0)
Carnaiba Mining District, Bahia (0)
Colorado (2)
Idaho (0)
Lightning Ridge (0)
Maine (0)
Minas Gerais (0)
Montana (0)
Nevada (1)
Odisha (1)
Oregon (21)
South Dakota (1)
Utah (1)
Virginia (1)
Washington (2)
Wisconsin (0)
Wyoming (8)
Xinjiang (0)
Yakutsk (0)

Color

Bi-Color(1)
Black(9)
Blue(16)
Brown(35)
Color Change(0)
Colorless(15)
Denim(1)
Golden(0)
Green(9)
Grey(12)
Kaleidoscope(0)
Lavender(0)
Madeira(0)
Multi(41)
Orange(13)
Padparadscha(0)
Peach(1)
Pink(5)
Play of Color(2)
Purple(4)
Red(6)
Teal(1)
White(21)
Yellow(4)

Treatment

Not Treated (76)
Treated (7)

Gem Cut

Bead (12)
Cabochon (41)
Faceted (16)
Gem Carving (13)
Sculpture Carving (0)
Slices & Crystals (3)

Stone Size

1-3.75mm (388)
4-6mm (677)
6-8mm (620)
8-10mm (516)
10-12mm (346)
12-15mm (256)
15-20mm (172)
>20mm (84)
Free Size (54)
Graduated (4)

Total Gem Weight

0.0 to 0.25 carat (0)
0.25 to 0.50 carat (1)
0.50 to 0.75 carat (0)
0.75 to 1.0 carat (1)
1.0 to 1.50 carats (2)
1.50 to 2.0 carats (0)
2.0 to 3.0 carats (5)
3.0 to 5.0 carats (12)
5.0 to 10.0 carats (25)
10.0+ carats (57)

Availability

In stock (72)
Out of stock (18)

25mm Rnd Orange Mexican Fire Opal

36.28ct Mexican Fire Opal Concave Round

Regular Price: $18,140.00

Sale Price: $18,140.00
Regular Price

Unit Price: per

Added to Cart View Cart or Continue Shopping.

Cart Error Some items became unavailable. Update the quantity and try again.

12.25ct Raspberry Tourmaline Elongated Cabochon

12.25ct Tourmaline Elongated Cab

Regular Price: $4,287.50

Sale Price: $4,287.50
Regular Price

Unit Price: per

Added to Cart View Cart or Continue Shopping.

Cart Error Some items became unavailable. Update the quantity and try again.

16.01ct Free Form Fancy Cut Pastel Tourmaline

16.01ct Pastel Tourmaline Lozenge Cut

Regular Price: $14,409.00

Sale Price: $14,409.00
Regular Price

Unit Price: per

Added to Cart View Cart or Continue Shopping.

Cart Error Some items became unavailable. Update the quantity and try again.

SOLD OUT

Natural 25x18mm Cushion Cut Turquoise Cabochon

14x10 to 25x18mm Turquoise Cushion Cabs

Regular Price: from $270.00

Sale Price: from $270.00
Regular Price

Unit Price: per

Added to Cart View Cart or Continue Shopping.

Cart Error Some items became unavailable. Update the quantity and try again.

Showing items 81-84 of 84.

1 2 3

1-800-888-2444

Company

About Us
Blog
FAQ
Contact

Customer Care

Shipping
Returns
Wholesale Accounts
Terms & Conditions
Privacy

Connect

Stay in the know!

Enter Email Address

Copyright © 2026 Columbia Gem House.

Currency

Currency

Search

Join our mailing list

For updates on products and new releases

Enter Email Address

*By completing this form you're signing up to receive our emails and can unsubscribe at any time.