Subtle yet sparkling, these diamond hoops are an essential part of any fine jewelry collection. About Jemma Sands Jemma Sands jewelry was created by Jennifer Heim, a Californian native who finds inspiration when she surfs. Aiming to share her love of the open water, Jennifer handcrafts her bracelets, necklaces, and earrings using translucent gemstones reminiscent of the local sea glass she collects along the Pacific shoreline. Calming color schemes makes it easy to layer your favorite pieces for a timeless, boho-chic style.