Known as the Original Black Hills Gold. Landstrom's Original Black Hills Gold Creations is the most respected name in Black Hills Gold jewelry. This is a classic Landstrom's design, featuring 12 karat Black Hills leaves on ladies 10 karat gold ring. Black Hills Gold jewelry first appeared over 100 years ago after the Black Hills Gold Rush of 1876. Traditional Black Hills Gold jewelry typically consists of pink colored and green colored leaves. Combining gold with copper makes the rose color, while the delicate green color is achieved by adding sterling silver with gold. classic Landstrom's design, featuring 12 karat Black Hills leaves on ladies 10 karat gold ring. Landstrom’s brand black hills gold three leaves ladies band ring. Size 5 1/2. Hallmarked with Landstrom’s trademark and 10 kt. All leaves on black hills gold items are 12 kt. Handcrafted in the Black Hills of South Dakota, purchased on a trip to visit Mount Rushmore, rarely worn as it was outgrown.