Black Hills Gold and Silver
Black Hills Gold and Silver
Black Hills Gold and Silver
Black Hills Gold & Silver
Black Hills Gold & Silver
Black Hills Gold

Trademarks of Black Hills Gold Jewerly Manufacturers


Black Hills Gold Jewelry is made by several companies. Gold Diggers covers our items with a lifetime warranty against manufacturing defects and faults in materials of the jewelry we make. The details are clearly posted here on our website and in the certificate of authenticity we ship with each order. You can tell if an item is from Gold Diggers by our trademark. It depicts the Black Hills, home of every manufacturer of Black Hills Gold.

Gold Diggers Black Hills Gold Trademark

Every item we make proudly bears our trademark and the gold 10Kt stamp on gold items or the .925 stamp on sterling silver items that guarantee purity of materials.

If you have a Black Hills Gold item bearing the mark of another manufacturer, for your convenience we list the other trademarks and contact information for those manufacturers.

Landstrom's Black Hills Gold holds several trademarks by which their products can be recognized. Shown here are drawings of those trademarks.

Landstroms Black Hills Gold Trademarks The trademarks represent in a way the history of their company. The stylized L originated with the purchase of the Black Hills Gold Jewelry company by Ivan Landstrom. Before that time the BHGJ stamp designated abbreviations of the company name. The next two symbols were added when the Landstrom company purchased the F. L. Thorpe company who had used those trademarks for many years before that time. The address for the Landstroms Black Hills Gold company is at

405 Canal Street
Rapid City, South Dakota 57701
and may be contacted by phone at 1-800-343-0157

The Coleman Black Hills Gold Jewelry company has a trademark that bears the letters CCO as shown in the drawing below.

Colemans Black Hills Gold Trademark

You may contact the Coleman Black Hills Gold company at

5125 Highway 16 South
Rapid City, South Dakota, 57701
or by phone at 1-800-874-9926.

Dakota Designs Black Hills Gold Jewelry is stamped with their double D trademark as shown in the drawing below.

Dakota Designs Black Hills Gold Trademark

You can contact Dakota Designs at

230 Cherry Street
Rapid City, South Dakota 57701
or by phone at 1-800-727-2417

Riddle's Group Inc. manufactures Black Hills Gold Jewelry as Mount Rushmore Gold, Riddle's, and Ridco. The trademarks on their items are a stylized R or sometimes an RL

Ridcos Black Hills Gold Trademark

The Riddle's Group may be contacted at

2707 Mt. Rushmore Road
Rapid City, South Dakota 57701
or by phone at 1-800-400-2226.

South Dakota Gold Company is located at

2870 North Haines Avenue
Rapid City, South Dakota 57701.
They may be contacted by phone at: 1-800-523-4209

The trademark on their jewelry shows a crossed pick and shovel or a stylizes JF design as pictured below.

South Dakota Black Hills Gold Trademark

Stamper Black Hills Gold Jewelry is trademarked by a "jug S" design or SBHG. They are located at

7201 South Highway 16
Rapid City, South Dakota 57702
and may be contacted by phone at 1-800-843-8753

Stamper Black Hills Gold Trademark

Dakota Gold manufactures Black Hills Gold Jewelry at

605 5th Avenue
Belle Fourche, South Dakota 57717
and can be reached by phone at 1-605-892-4985
(sorry, no toll free available)

They have a sunburst trademark as shown in the picture below.

Dakota Gold Black Hills Gold Trademark

Many Black Hills Gold manufacturers have disappeared over the course of time. Below is a list of those manufacturers and the trademarks by which their jewelry was known.

Disused Black Hills Gold Trademark


















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