How is a Helzberg Diamonds Radiant Star® documented?
Every Helzberg Diamonds Radiant Star® diamond comes with two types of third-party documentation: the IGI Certificate of Authenticity, and a GemEx Light Performance Analysis. An IGI certificate of authenticity provides an accurate statement of your diamond’s weight, color and clarity, based on an internationally recognized system. The Light Performance Analysis measures and rates your diamond’s white light (brilliance), color light (fire) and scintillation (sparkle). In order for a diamond to earn the name Radiant Star®, it must have ratings in the “very high” end of the scale on two of the three GemEx measurements, with none of the measurements lower than “high.” Very few special cut diamonds on the market ever achieve such consistently high ratings. Each Helzberg Diamonds Radiant Star® diamond has a unique control number laser-inscribed on the girdle (the outer edge of the stone). Your IGI Certificate of Authenticity and your GemEx Light Performance Analysis will each show your diamon
