Black Hills Gold Opal Ring / October Birthstone Ring / Natural Opal Ring wide_ring Inside of the shank it

Inside of the shank it is stamped 10K and F inside the silhouette of a diamond

and thus large gemstones were often manufactured in laboratory settings

The ring is currently a size 7 US

The chrysanthemum is a beautiful flower

(Can be sized)

Black Hills Gold Opal Ring / October Birthstone Ring / Natural Opal Ring wide_ring Inside of the shank itBlack Hills Gold Jewellery is mined, designed, and made in the Black Hills area in South Dakota, a mountainous region in western South Dakota. It is often referred to as the South Dakota State Jewelry. In fact, any jewelry to be sold as Black Hills Gold must be made in the Black Hills area. Since as early as the 1880s, the Black Hills gold mines have yielded about 4 million ounces annually, with an additional 3 million ounces annually from the silver