March 20 Diamond Shavings: Your Final Friday Web Roundup

Welcome to the final edition of Diamond Shavings, at least under this name. JCK will likely still feature a web roundup in some form in the...

Interview With RJC Executive Director Purvi Shah

Purvi Shah, who became executive director of the Responsible Jewellery Council (RJC) in early February, spoke to JCK yesterday, her first media...

Interview With Natural Diamond Council CEO Amber Pepper

Amber Pepper, the new CEO of the Natural Diamond Council (NDC), was supposed to meet the trade at an event in New York City last week, (more…)

Exit Interview With GIA Legend Tom Moses

Earlier this month, Tom Moses, GIA’s executive vice president and chief research and laboratory officer, announced he would leave GIA in May, after...

March 13 Diamond Shavings: Your Friday Web Roundup

Next week, I will have more to say about my future and the stuff we discussed during the first five minutes of our latest podcast. I have some cool...

Where’s My Money? Your Tariff Refund Questions Answered

There are already conflicting signals about how the estimated $175 billion in tariffs that the Supreme Court ruled illegal will be refunded....

Why Colored Stones Are Hot at Auction—and Diamonds Are Not

Christie's luxury sales topped $1 billion in 2025, and jewelry was a big part of them. The company's June jewelry sale in New York achieved $87.7...

March 6 Diamond Shavings: Your Friday Web Roundup

This week: Costco sells $150,000 diamond ring. Will AI replace jewelry designers? And a British jeweler tries to solve mystery of 140-year-old...

Feb. 27 Diamond Shavings: Your Friday Web Roundup

This week: Why the luxury industry is losing Gen Z. Trump has more watches to sell. And Stephen Colbert is a big Tiffany fan. All...

Does De Beers’ Future Lie in Its Past?

Former De Beers CEO Gareth Penny’s 20-minute interview at last week's Mining Indaba conference in South Africa has gone the jewelry industry...