Lady Heart is a fine jewelry brand known for its heart-shaped diamond designs, with a heritage dating back to 1989. The collection includes rings, earrings, necklaces, and bracelets, featuring signature pieces such as the Lady Heart Necklace, offered in several sizes, and the Single Lady Stud Earring. The brand also presents its Flame Collection and shares information about the craft behind its heart-shaped diamonds, as well as its quality and materials.

Lady Heart supports customers throughout their jewelry experience with assistance from its team and resources covering sizing, jewelry care, maintenance, and repair. Its website also provides shipping and returns information, answers to frequently asked questions, and contact details for inquiries. For business customers, the brand offers wholesaler and stockist services. Shoppers can explore the collection online, connect with the brand for personal assistance, or sign up for Lady Heart+ to receive access to promotions, selected product releases, and members-only products.