• Montana sapphires and yogo sapphires - rough cut and set

    Sapphire – Natural, Rough, Yellow, 64 ct

    The rough and cut sapphires in this image are all natural-color stones from the Missouri River's El Dorado Bar. Just below the 1.53-ct sapphire ring is the largest stone, weighing in at 10 carats rough. In all, the rough in this photo is 64 carats.  © Earth's Treasury. Used with permission.

    Article: Why We Love Montana Sapphires and Yogo Sapphires

    Credit: Earth’s Treasury

    GemstoneSapphire, Corundum
    Natural or man madeNatural
    OriginUnited States
    Origin detailsYogo, Montana
    Carat Weight64
    Gem StateRough
    ColorYellow, Green, Pink, Colorless