40 of the most expensive celebrity engagement rings of all time
From Gwen Stefani's $500,000 sparkler to Mariah Carey's 35-carat emerald-cut diamond, here are the most expensive celebrity ...
Ultrahuman thinks its 18-karat gold smart ring is worth $1,900
That’s roughly $1,900 to $2,200. I rack my brain. The most expensive smart ring I can remember is Oura’s collaboration with Gucci, which I described in my writeup as an eye-watering $950. I ...