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Martin Rapaport Addresses Israel Diamond Week
February 12 2020

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Zvi Yehuda 150
Zvi Yehuda: The Industry’s Idea Man
Zvi Yehuda is a man of few words, but his accomplishments inthe diamond industry speak volumes. The 82-year-old Israel native is thecreator of numerous inventions that have changed the face of the trade, andeven the face...
Manufacturing Nov 20, 2019 Leah Meirovich
DiamondDect5
What Makes a Good Synthetics Detector?
The massive project by the Diamond Producers Association (DPA) and Signet Jewelers to test and review 18 synthetic-diamond detectors has raised an important question: What should you look for in such a machine?Accuracy is, of course, a major...
Technology Mar 12, 2019 Joshua Freedman
DPA synthetics detectors study Mar 2019
DPA Puts Synthetics Detectors to the Test
A synthetics detector costing less than $7,000 is one of only two machines that conclusively identified 100% of lab-grown diamonds in a recent industry-widestudy.Yehuda’s Sherlock Holmes, priced at $6,495, correctlyspotted all synthetic diamonds in a “deliberately challenging” sample,according to a report...
Technology Mar 05, 2019 Rapaport News
Diamond swapping
Trade ‘Blind to Diamond-Swapping Threat’
Diamond dealers are failing to protect themselves against stone-swapping,and are instead waiting until an expensive loss occurs before taking action, equipmentsuppliers have warned. The switching of natural diamonds with synthetics or otherlower-value goods is a common...
Technology Aug 15, 2018 Joshua Freedman
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