Arc CZ CharmA single 2. 5mm white CZ set within a 1611mm 925 sterling silver arc form the Arc CZ is an architectural charm: a geometric silver shape with a single stone placed precisely at its focal point. At 0. 79g, minimal mass. The arc form creates a visual frame for the single CZ the stone's placement is the entire point of the design. Nothing decorates the arc itself; everything depends on the stone's position within it. For charm collections that prioritise