Which Blue Should You Choose? London Blue Topaz vs. Swiss Blue Topaz London Blue Topaz has an enamoring assortment changing impact that makes it a profoundly sought-after gemstone. The adaptability of London Blue Topaz is among its most fascinating highlights. It is utilized in an extensive variety of gem styles, from simple and rich to significant and multifaceted. Its dark blue variation stands out splendidly from any metal surface. It for the most part arrives in various sizes and structures, from exemplary oval or round cuts to additional complicated and sporadic cuts like the princess cut or the pear shape. London Blue Topaz is recognized for its excellent characteristics as well as its significant and helpful capacities.