The Leo Diamond®The first diamond ever to be independently measured and certified for its superior brilliance. Like every diamond at Kay, every Leo Diamond® is hand selected to match beautifully. We're proud to be your authorized Leo Diamond® Jeweler.
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Every Leo Diamond® is independently measured for superior fire, sparkle and brilliance. The certification of that brilliance is known as the Return of Light.
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All Leo Diamonds® are independently certified by IGI |