Coated in platinum and 18K gold, Ultrahuman's new smart rings offer heart rate, sleep, and stress tracking in a luxurious ...
Ultrahuman has launched 'Rare' smart rings made of 18K gold and platinum. The new range comes in three finishes, priced ...
Smart ring maker Ultrahuman took the wraps off a trio of extra shiny high-tech trinkets at CES 2025 on Tuesday, adding a ...
Ultrahuman Rare is a luxury smart ring with 18K gold and 95% platinum options, a significant upgrade from titanium. The Rare ...
making 18K gold an ideal material for making jewelry. In contrast, although 24K gold has a higher purity, it is too soft and is not suitable for setting gemstones; while 14K gold is harder but has a ...
According to him, jewelry with 24K gold has 100% or guaranteed 99.99% pure gold, or gold with a ratio of 24/24 (24 over 24). It is also softer than those with alloy mixtures. In contrast ...