Add a touch of sparkle to your everyday outfits with our Herkimer Diamond Open Hoop Earrings. Made from one continuous 14K gold filled thread, these earrings feature a sleek, double-pointed crystal accented with tiny gold spheres. A subtle statement piece that is comfortable and easy to wear. (No need to be a gemologist to rock these!) -- Herkimer crystals measure approximately 5-7mm 14K gold filled approximate length: 1.75" Herkimer “diamonds” are affectionately named for the Herkimer County in NY where they were first discovered and mined. While not true diamonds, Herkimer crystals are like diamonds due to their clear, sparkly, and faceted characteristics.