Montana Sapphire 3 Stone Drop Pendant featuring 1 - 3mm, 1 - 3.5mm and 1 - 4mm stones (.64 ct) These are Rock Creek Montana Sapphires from the Gem Mountain, Philipsburg area of Montana. Necklace comes with an 18" 925 sterling silver chain. We offer matching earrings that are listed. Montana sapphires are natural stones and therefor come in many colors and many shades of these colors. Most are medium to light blue to blue green. Your actual necklace color may vary from the photos. All of our Montana sapphires come with a certificate of authenticity and come in a quality gift box.