Ephraim Zion is the Managing Director of Dehres. As the most influential fancy color diamantaire in the Far East, he is considered a major industry leader, known for his exceptional collection of white and rare fancy color diamonds, as well as rubies, emeralds and sapphires. He has vast experience both within the industry and with end consumers.
Having had 5 years’ experience as a diamond cutter in Israel, Ephraim moved to New York where he continued to develop his mastery of cutting large diamonds, becoming one of the most highly skilled and sought-after diamond cutters
Research & Insights
How Visual Grading and Market Dynamics Turned Color Diamonds into the Ultimate Asset
In recent years, a significant shift has occurred in the way professional diamond dealers, retailers and gem collectors evaluate fancy color diamonds. Unlike in previous years, where buyers and sellers primarily relied on the GIA gemological report, today’s evaluations consider the visual assets and unique characteristics of any fancy color diamond as opposed to […]