Sophia Hirsh of Hirsh London gives expert advice on investing in colour gemstones and reveals some lesser known winners.

"Customers remain cautious; and Iluka's assessment is that significant re-stocking of zircon products is yet to occur. This re-stocking could provide a boost to volumes in due course, once the impacts ...

Discover why real gemstones, forged over billions of years, still outshine lab-grown gems as timeless symbols of luxury, ...