what are the characteristics of a lucida diamond? Is it the same as a radiant princess cut diamond?

A Tiffany associate told me that the Lucida diamond is rare and has not been simulated by others, however recently a jeweler told me that the Lucida cut diamond is nothing more than a radiant princess cut diamond with the corners tapered? Are there any professionals out there that can help me with this question?

It’s made from the same rough as a round, but think of it more as like a Asscher and Antique Cushion cut (kind of like a square mixed cut). Basically: 50 facets, high crown, stepped facets, wide corners and small table.

Hope this helps

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