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Gabi Tolkowsky in 1991 having completed the Centenary Diamond - The worlds largest D color flawless diamond
Summary of: Diamond Design -- by Marcel Tolkowsky. Edited by Jasper Paulsen.
History Lesson: The Tolkowsky Diamond
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Your Guide To The Tolkowsky Ideal Cut | Jaume Labro
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Marcel Tolkowsky's Diamond Design of 1919 — Brian Gavin Diamonds
The History Of Marcel Tolkowsky | CT Diamond Museum
Diamond Design: Tolkowsky, Marcel.: 9781361816431: Amazon.com: Books
Marcel-Tolkowsky
