This mobius ring is perfect for science lovers. Each ring is polished and detailed by hand after 3D printing. The rings are available in 14K-22K yellow, white or rose gold or platinum. Precious and semi-precious stones are also available. Please e-mail us with you design request. Our rings are made with the highest quality standards by the finest jewelry manufacturers. Each piece comes with our guarantee of quality workmanship, craftsmanship and certificate of authenticity.