Crafted from stainless steel, and plated in 18k gold if you opt for the gold version, for a sturdy and stylish design. The chunky ring appears like two rings, and the inner ring rotates to help ...

Abbott Lyon Custom Stamped Fidget Ring. Crafted from stainless steel, and plated in 18k gold if you opt for the gold version, for a sturdy and stylish design.

The Ultrahuman Ring Air in 18K gold. Credit: Christian de Loop. Smart rings are great, but they're typically not the finest pieces of jewelry in terms of the quality of metals and flashy designs.

Ultrahuman launches smart rings made from 18K gold and platinum. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

The ring, which costs just £69 compared to the cool £1,200 you would have to fork out for the original Cartier Love ring, is comprised of 18k Gold gold-plated brass and is completely nickel-free.