Emerald Gem Exchange (DUMBO Showroom) is a family-owned business that has been providing high-quality gems and crystals to loyal clients since 1978. The business works hard, seven days a week, to ensure that all clients are extremely satisfied with their healing and wellness needs. They mine certain gems and source only the best gems and crystals from around the world and beyond. Customers praise the great service, true insight, and patience of the staff, particularly Siva, who is described as a knowledgeable, attentive, and wonderful shopkeeper. Visitors are impressed by the wide variety of jewelry and minerals, as well as the cleansing and explanation of the pieces. The overall experience at the store is described as incredible, with Siva's inspiring energy and the business being a "lovely hidden gem."