Left to right: Cartier Libre watch in 18-karat white gold with rubies, sapphires, emeralds, chrysoprase ... and the difficulty posed by the density, hardness, and high melting point of platinum.

Trailblazers like Nathalie Verdeille and Claire Choisne are redefining timeless jewellery with fresh perspectives and ...

Each element of the necklace was crafted individually over 1,732 hours because of its intricate structure, varied diamond shapes, and the difficulty posed by the density, hardness, and high melting ...

Some fish prefer soft water, and others benefit from softer water for breeding. But how do you make hard water soft, and how do you interpret hardness levels? Matt Clarke explains. Hardness is a term ...