Stuller CEO Danny Clark and president Belit Myers talk about the US diamond and jewelry supplier’s recent leadership change and why the company has seen both natural and lab-grown flourish. Plus: The importance of the company’s focus on “just-in-time” inventory.

Guy Burton, managing director of high-end UK jeweler Hancocks London, digs into vintage diamond cuts and how they compare with modern styles. Plus: The state of British retail and the Hatton Garden trade.

Mayank Jain, CEO of DiaDNA, outlines how the company is developing technology to identify diamonds and prevent stone-switching. Mayank explains the difference between optical and atomic scanning and how the industry can benefit from the extra traceability.

You can watch this episode on video at: https://youtu.be/VzDUXlmVhoI

Richa Singh, managing director for India and the Middle East at the Natural Diamond Council (NDC), explains the rise of one of the world’s fastest-growing diamond markets. Plus: What the US-India trade deal might mean, the lab-grown sector’s expansion, and how jewelers use WhatsApp to sell.

John Ford, CEO of the American Gem Trade Association (AGTA), and Bruce Bridges, its president, report on talks with US government officials over potential tariff relief. Plus: How colored gemstones have staved off competition from synthetics.

Randy Cole, CEO of Michigan jewelry retailer Diamond Vault of Troy, breaks down the perhaps surprising demographics of natural and synthetic diamonds. Plus: How the holiday season went.

From Trump to tariffs to diamond marketing, Rapaport Managing Editor Leah Meirovich and Senior Analyst Joshua Freedman reflect on the year that is about to end.

Pre-owned jewelry should be exempt from US tariffs, says Max Fawcett, incoming global head of jewelry at auction house Christie’s. Plus: Why the market for spectacular diamonds has slowed.

Alexandra Beth Samit, founder of New York-based Alexandra Beth Fine Jewelry, explains how developments in the metal markets have spooked consumers and pushed some to buy cheaper stones.

On his second appearance, Thomas Hainschwang of GGTL Laboratories discusses underqualified gem labs, the latest developments in synthetics, and why fluorescent diamonds have a bad name.