IDEX Online Research

IDEX Online Research, Business Intelligence that Helps Business Succeed

Unique research materials and analyses available to IDEX Online members only.
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The IDEX Online Research materials are unique analysis articles that can’t be found anywhere else in the global diamond industry press. From the careful dissection of retailers’ financial results to the latest premiums and prices paid on DTC rough diamond boxes, IDEX Online provides the savvy industry reader with a depth and breadth of information and business intelligence that help business succeed.

Our research team is regularly commissioned for analysis projects on the diamond and jewelry industry, providing an extra layer of information to its clients. Diamond prices, mining issues, grading, manufacturing and trends in rough diamond marketing are all among our expertise.

Ken Gassman, head of the IDEX Online Research department, has been involved in the jewelry industry for almost 30 years. During a 20-year career as a Wall Street investment banker, he worked with retailers and consumer goods producers. He facilitated various transactions involving jewelry companies, including bringing Reeds Jewelers public, buying and selling various jewelry and diamond companies, and producing research on the global industry.

John Jeffay has reported on the diamond industry for IDEX Online for the last two years and has extensive experience as a journalist writing for The Times, The Guardian and other national newspapers in the UK. He also writes on technology and innovation in Israel.

Please contact us at for more information about our commissioned research projects.

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