Vancouver-based style blog Habit introduced me to the Cubeoctahedron ring by Bandada, a jewelry label/design studio out of Barcelona. The rings are handmade, with industrial finishing techniques, and can be worn as a single piece or stacked in multiples to create your own look. The faceted shape allows it to catch the light just so, adding the perfect amount of sparkle.
Small Cubeoctahedron ring, $96 in gold, and $68 @ silver.
I'm anxiously awaiting the arrival of their pyrite cluster rings: