Experts explain how a stone's hue can affect the price and value of an engagement ring. Reviewed by Olivia Landau As you start to consider different engagement rings, it's important to understand the ...

Next time you buy a glittering fancy coloured diamond weighing one carat and above do not forget to verify its colour as natural. As you may land up buying a high pressure/high treatment (HPHT) colour ...

In the world of fancy colour diamonds, red, blue, pink and yellow are preferred choices for investment, while green, purple, violet and orange are colours for collectors Cut is the attribute that most ...

Mineral curator Mike Rumsey discusses the science behind the Aurora Pyramid of Hope, an unrivalled collection of 296 coloured diamonds. On display in a lofty Museum gallery is a small, glittering ...