Potomac Crystal Chatons in Settings 5mm (SS22) - Gold Champagne (Light Colorado Topaz). Machine cut chatons in a bezel setting. The setting has 4 holes to give you incredible design flexibility. You’ll love the way these gorgeous crystal chatons sit up higher within your designs to really give a sparkly pop of color. Potomac Crystal Chatons in settings are 5mm and come in a pack of 24.