Charlestine & Company is a luxury jewelry retailer specializing in handcrafted diamond and gemstone designs. The company operates within the fine jewelry and watch industry, competing with brands such as Tiffany & Co., David Yurman, and Cartier, and generally maintains a premium price point. Coupons and promotional offers may appear on the website periodically, often associated with specific holidays or events, and may include discounts on select collections.