Gemstone business management solution built for Gemstone traders and Custom Jewelers. Private, Secure, and Trusted by the Industry. GemCloud is a simple business management solution designed for colored gemstone traders and boutique jewelers. With GemCloud you can connect your inventory to websites, marketplaces, and link up with you accounting software. There is no simpler solution to effectively manage your business, your inventory, your consignments, and your production.