- If you are looking for a futuristic and unique ring, look no further than the Carbon Fiber Nanotech Ring. This handmade inlay ring features a channel with a multitude of random very small needles of carbon fiber that create a stunning visual effect. The carbon fiber inlay is available in black ceramic, tungsten carbide, silver, gold or platinum, so you can choose the metal that suits your style and budget. This ring would make a great wedding band or engagement ring for someone who loves technology and innovation. It would also be a special gift for any occasion, such as an anniversary, birthday or graduation. The Carbon Fiber Nanotech Ring is a one-of-a-kind piece of jewelry that will impress anyone who sees it. Read below for additional information.