The rectangular radiant-cut diamond combines the cut-cornered elegance of the emerald-cut with the intense sparkle of the brilliant-cut. This diamond can be ordered loose or mounted in one of our solitaire settings. Diamond is supplied with an appraisal report certificate from the International Gemological Institute (IGI). The IGI is an independent laboratory for the appraisal of fine jewelry and gemstones. The appraisal report provided contains descriptions of the gems and precious metals and the estimated retail replacement value of the jewelry piece based on market prices. This report also includes a 10x magnification description of the diamond and guarantees the cut, clarity, color and carat weight. This report can be used for insurance purposes.