When we head out to buy jewellery studded with diamonds, we know what to look for. The 4 C's - cut, colour, carat and clarity - are at the top of our minds. But to make the perfect buy, we need to ...

Setting gems within gems, Boghossian pushes the boundaries of contemporary design. It requires tremendous precision, steady hands, and a degree of bravery to set an exceptional 7-carat pear-shaped ...