Skip to content

Search

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

Notice: expect fulfillment delays during the Tucson Gem Shows

Contact us if you cannot find what you are looking for

Sign up for wholesale access

Home
Shop
Fair Trade Gems
About Us
Wholesale

Faceted

4 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

15-20mm
Clear all

Gem Variety

Alexandrite (0)
Amazonite (0)
Amethyst (2)
Andalusite (0)
Apatite (0)
Aquamarine (0)
Chrysoberyl (0)
Citrine (0)
Diopside (0)
Emerald (0)
Garnet (0)
Heliodor (1)
Iolite (0)
Morganite (0)
Neon Green Beryl (0)
Opal (0)
Peridot (0)
Quartz (1)
Ruby (0)
Sapphire (0)
Sphene (0)
Spinel (0)
Sunstone (0)
Tanzanite (0)
Topaz (0)
Tourmaline (0)
Turquoise (0)
Zircon (0)

Variety Specifics

Shape

Baguette (0)
Carré Step Cut (0)
Cushion (1)
Emerald Cut (0)
Freeform (0)
GeoCut (0)
Half Moon (0)
Heart (0)
Hexagon (0)
Kite (0)
Lozenge (0)
Marquise (0)
Octagon (0)
Oval (2)
Pear (0)
Princess Cut (0)
Round (1)
Triangle (0)
Trillion (0)
Woz Cut (0)

Shape Specifics

Barion (0)
Brilliant Cut (0)
Checkerboard Top (0)
Fancy Cut (0)
Fantasy (0)
Flute (0)
Opposed Bar (0)
Portuguese Cut (0)
Rose Cut (0)
Square (0)
Tablet Cut (0)
Tapered (0)

Fair Trade Level

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

Origin

Afghanistan (0)
Africa (0)
Australia (0)
Brazil (1)
Cambodia (0)
China (0)
Colombia (0)
India (0)
Kenya (0)
Madagascar (0)
Mexico (0)
Nigeria (0)
Pakistan (0)
Russia (0)
Tanzania (0)
Uruguay (1)
USA (2)

Location

Arizona (0)
Arkansas (1)
California (0)
Idaho (0)
Montana (1)
Odisha (0)
Oregon (0)
South Dakota (0)
Virginia (0)
Wyoming (0)
Xinjiang (0)
Yakutsk (0)

Color

Bi-Color(0)
Black(0)
Blue(0)
Brown(1)
Color Change(0)
Colorless(0)
Denim(0)
Golden(1)
Green(0)
Grey(0)
Kaleidoscope(0)
Lavender(0)
Madeira(0)
Multi(0)
Orange(0)
Peach(0)
Pink(0)
Purple(2)
Red(0)
Teal(0)
White(0)
Yellow(1)

Treatment

Not Treated (2)
Treated (2)

Gem Cut

Cabochon (0)
Faceted (4)

Stone Size

1-3.75mm (71)
4-6mm (256)
6-8mm (185)
8-10mm (78)
10-12mm (34)
12-15mm (14)
15-20mm (4)
>20mm (1)
Free Size (2)

Total Gem Weight

0.0 to 0.25 carat (3)
0.25 to 0.50 carat (4)
0.50 to 0.75 carat (3)
0.75 to 1.0 carat (0)
1.0 to 1.50 carats (4)
1.50 to 2.0 carats (3)
2.0 to 3.0 carats (4)
3.0 to 5.0 carats (4)
5.0 to 10.0 carats (3)
10.0+ carats (2)

5x3 to 16x12mm Montana Amethyst Ovals

Regular Price: from $21.00

Sale Price: from $21.00
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.

6x4 to 20x10mm Arkansas Smoky Quartz Cushions

Regular Price: from $18.00

Sale Price: from $18.00
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.

7x5mm Natural Oval Heliodor

5x3 to 18x13mm Heliodor Ovals

Regular Price: from $45.00

Sale Price: from $45.00
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.

8x6mm Oval A Iris Amethyst®

5x3 to 18x13mm A Amethyst Ovals

Regular Price: from $18.75

Sale Price: from $18.75
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 1-4 of 4.

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.