About C5 company

C5 company is a leader in sustainable fine jewelry. We offer beautiful, well-crafted jewelry that you can feel good about purchasing, gifting and wearing.

All of our jewelry is made with 100% recycled precious metals and ethically sourced gems and diamonds (both fair-trade mined and lab-created) to ensure that C5 company jewelry has minimal environmental and social impact.

Each piece of custom jewelry made by C5 company is one of a kind and comes with a sustainability profile report giving you peace of mind and a positive story to share with friends and family.

Let us help you create the jewelry you always wanted or shop our collections of finished jewelry. New designs available soon.