Smart rings are booming, and they’re here to stay. With a discreet build and great health insights, fitness, and health smart rings are proving increasingly popular. The Oura Ring 4 is the best ...

She carried a black quilted Chanel clutch, though the designer bag was outshone by a sparkling accessory on her left ring finger: her famed sapphire engagement ring, which once belonged to ...

Both rings are durable, but they aren’t impervious ... It’s a good idea to resize your finger before buying a new ring. The Oura Ring 4 starts at $349 and reaches all the way to $499 ...

(Photo credit: Sentinel Hub /CC BY 2.0 DEED) ...