>AUCTION prices for top grade, flawless white and coloured diamonds, and precious gemstone jewellery have been going through the roof, signalling that the world's wealthiest are again focusing on jewellery, as it is known to be a surer and more scientific investment than art. For those who love jewellery in all its forms - from classic white sparklies to colourful gemstones - rejoice, because bling is back in vogue, and the brighter and bigger, the better. All That Glitters looks at haute jewellery trends this year, along with how classic diamonds are increasingly coveted for their size and quality.
