if you're as obsessed with the geometric trend as we are, this 9ct yellow gold double open triangle adjustable ring is an absolute must have! stamped with a 9k metal mark, the triangles are 10mm high, 15mm wide and 1mm deep. the ring has a 1mm band width and weighs only 0.5g so is comfortable enough to wear all day. to top it off, the ring is adjustable so will fit most fingers. ideal!