Ultrahuman has launched 'Rare' smart rings made of 18K gold and platinum. The new range comes in three finishes, priced upwards of $1,800.

The Indian startup is touting the new “luxury” smart rings as a world-first because, while smart rings are always jewelry, the materials that wrap the tracking technology inside the Rare Rings ...

The79th, based in Arlington, Virginia, is a small business specializing in 18 Karat (18K) solid gold jewelry. Unlike other brands, their pieces are never filled, plated, or vermeil, offering true ...

Gold — whether it’s used in gold-plated, gold-filled, vermeil, or solid-gold jewelry — is measured in karats (not to be confused with carats, the weight of a diamond).The number of karats ...