Ruby chocolate is considered the fourth variety next to dark, milk and white. We wanted to know how it gets its pink hue, but ...

This lack of supply has contributed to the global demand for pink gemstones, as demonstrated by offerings in the auction space.A Phillips Geneva auction in May 2024 saw a rare 1.56-carat red ...

What gives gemstones colors, or rather, what changes the way they absorb and reflect light so that they come out in so many ...

Dewdrop-shaped diamonds at Boucheron, fish brooches with iridescent scales at Van Cleef & Arpels, flowers with pink sapphire petals at Dior. This season's creations are littered with gems ...