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

Contact us if you cannot find what you are looking for

Sign up for wholesale access

Home
Shop
Fair Trade Gems
About Us
Wholesale

Winter Collection

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

15-20mm
Clear all

Gem Variety

Quartz (3)

Variety Specifics

Green Quartz (3)

Shape

Cushion (2)
GeoCut (0)
Oval (1)
Trillion (0)

Shape Specifics

Checkerboard Top (1)
Concave Cut (0)
Elongated (1)
Fancy Cut (0)
Rose Cut (1)

Fair Trade Level

2 (3)

Origin

Brazil (3)

Color

Green(3)

Treatment

Treated (3)

Gem Cut

Faceted (3)

Stone Size

8-10mm (5)
10-12mm (5)
12-15mm (3)
15-20mm (3)
>20mm (1)

Total Gem Weight

1.50 to 2.0 carats (0)
2.0 to 3.0 carats (1)
3.0 to 5.0 carats (2)
5.0 to 10.0 carats (3)
10.0+ carats (2)

20x10mm Elongated Cushion Cut Green Quartz

20x10mm Green Quartz Elongated Cushions

Regular Price: $843.00

Sale Price: $843.00
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.

12x10mm Oval Rose Cut Green Quartz

10x8 to 16x12mm Green Quartz Rose Cut Ovals

Regular Price: from $120.00

Sale Price: from $120.00
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.

12mm Natural Fancy Cushion Cut Brazilian Green Quartz

10 to 15mm Brazilian Green Quartz Checkerboard Cushions

Regular Price: from $213.00

Sale Price: from $213.00
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 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.