Parts of Four Sistema Ring Dirty Silver Diamond (Facet, Mega Pavé, 9mm, DA+DIA)The Parts of Four Sistema Ring, from the Spring Summer 2025 collection, features a unique modular design in Dirty Silver with a Mega Pav diamond setting. This ring, from the Sistema series, showcases individually carved diamond slivers, resulting in a piece that will vary slightly in appearance due to the natural materials and hand crafted process.