Oh, how we love these Swiss blue topaz gems! They display a wonderful shade of vibrant swiss blue in magnificently eye clean and very well faceted genuine semi-precious topaz gemstones coming in at approx. 1.5ctw, 6mm round. We hand set these very well matched blue beauties into fine quality and substantial 4-prong, sterling silver studs with magnificent polish. We will provide both sterling silver butterfly catches and silicone stoppers to hold them in place.