Skip to content

Search

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

Only a small portion of our inventory is currently online

Sign up for wholesale access

Will tariffs impact my order? Read our latest update.

Home
Shop
Fair Trade Gems
About Us
Wholesale

One-of-a-Kind Gems

3 products

Sort by

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

Triangle
Clear all

Gem Variety

Alexandrite (0)
Amethyst (1)
Andalusite (0)
Apatite (0)
Aquamarine (0)
Chalcedony (1)
Citrine (0)
Diopside (0)
Emerald (0)
Garnet (0)
Heliodor (0)
Jade (0)
Morganite (0)
Neon Green Beryl (0)
Opal (0)
Peridot (0)
Quartz (0)
Ruby (1)
Sapphire (0)
Sphene (0)
Spinel (0)
Sunstone (0)
Tanzanite (0)
Topaz (0)
Tourmaline (0)

Variety Specifics

Shape

Arch (12)
Baguette (4)
Bullet (6)
Crest (1)
Cushion (40)
Emerald Cut (48)
Flame (1)
Freeform (21)
GeoCut™ (13)
Half Moon (4)
Heart (2)
Hexagon (25)
Kite (5)
Lozenge (2)
Octagon (13)
Oval (64)
Pear (25)
Pentagon (1)
Rectangle (1)
Round (23)
Shield (2)
Triangle (3)
Trillion (12)
Woz™ Cut (16)

Shape Specifics

Barion (0)
Brilliant Cut (0)
Checkerboard Top (0)
Concave Cut (1)
Elongated (0)
Fancy Cut (1)
Hi Top (0)
Opposed Bar (0)
Portuguese Cut (0)
Rose Cut (0)
Square (0)
Step Cut (0)
Tablet Cut (0)

Fair Trade Level

1 (0)
2 (1)
3 (1)
4 (0)
5 (0)

Origin

Afghanistan (0)
Africa (0)
Australia (0)
Brazil (0)
China (0)
Colombia (0)
India (0)
Madagascar (0)
Mexico (1)
Nigeria (0)
Pakistan (0)
Russia (0)
Sri Lanka (0)
Tanzania (0)
Uruguay (1)
USA (0)

Location

Arizona (0)
Arkansas (0)
Carnaiba Mining District, Bahia (0)
Maine (0)
Montana (0)
Odisha (0)
Oregon (0)
Wyoming (0)
Xinjiang (0)
Yakutsk (0)

Color

Bi-Color(0)
Black(0)
Blue(1)
Brown(0)
Color Change(0)
Colorless(0)
Denim(0)
Golden(0)
Green(0)
Grey(0)
Kaleidoscope(0)
Lavender(0)
Madeira(0)
Multi(0)
Orange(0)
Peach(0)
Pink(0)
Play of Color(0)
Purple(1)
Red(1)
Teal(0)
White(0)
Yellow(0)

Treatment

Not Treated (3)
Treated (0)

Gem Cut

Cabochon (1)
Faceted (1)
Gem Carving (0)
Sculpture Carving (0)
Slices & Crystals (1)

Stone Size

1-3.75mm (0)
4-6mm (0)
6-8mm (0)
8-10mm (0)
10-12mm (0)
12-15mm (1)
15-20mm (0)
>20mm (1)
Free Size (0)

Total Gem Weight

0.25 to 0.50 carat (0)
0.50 to 0.75 carat (0)
0.75 to 1.0 carat (0)
1.0 to 1.50 carats (0)
1.50 to 2.0 carats (0)
2.0 to 3.0 carats (0)
3.0 to 5.0 carats (1)
5.0 to 10.0 carats (1)
10.0+ carats (1)

3.18ct Ruby Triangle Slice

Regular Price: $715.50

Sale Price: $715.50
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.

7.81ct AAA Iris Amethyst® Concave Triangle

Regular Price: $820.00

Sale Price: $820.00
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.

23mm Triangle Gem Blue Mexican Chalcedony

30.64ct Gem Blue Mexican Chalcedony Triangle Cab

Regular Price: $1,378.80

Sale Price: $1,378.80
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 1-3 of 3.

1-800-888-2444

Company

About Us
Blog
Contact

Customer Care

Shipping
Returns
Wholesale Accounts
Terms & Conditions
Privacy

Connect

Stay in the know!

Enter Email Address

Copyright © 2025 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.