Katerina Perez

June 24, 2026 By Katerina Perez 10 min read In 2026, I joined forces with the Osmium Institute to launch the Osmium Visionary Contest for the second consecutive year. This incredible competition encourages global designers to think differently, challenge their typical design status quo, and imagine a jewel that can impress a leading panel of judges. The only condition is that their concept must include osmium – the world’s rarest precious metal.

May 29, 2026 By Katerina Perez 7 min read Across more than a decade, I have held emeralds that made me forget to blink, sapphires that looked like liquid sky, and rubies that glowed as if lit from within. But at the 2026 edition of GemGenève, I realised something: the stones that stay in my memory aren’t necessarily the largest, although I have dedicated a special article to these gems.

May 27, 2026 By Katerina Perez 10 min read In the time I have been writing about jewellery, I have held stones that made me gasp. I must say, there is something humbling about standing in front of a gemstone so large that it rewires your understanding of what nature can produce. At this edition of GemGenève, I found myself repeatedly silenced, and not by one gem, but by a whole array of them that I want to tell you more about in this article.