When choosing a piece of jewellery, the colour of the metal is one of the first decisions you need to make. You can choose from yellow gold, rose gold, or one of the white metals such as platinum or white [...]

British entrepreneur and philanthropist Maurice Ostro has loaned a gigantic 2 kilogram, 9,380 carat blue topaz to be permanently displayed at the National History Museum in the UK. Originally, the stone was discovered in Brazil by Ostro’s father Max in [...]