They look great and are a great investment too. Here’s the lowdown on coloured diamonds. It is well known that the diamond is the purest of all gems. In fact, no other stone can equal the sparkle of the diamond. It is indeed the pride of women, a guarantee of steadfast love and a symbol of purity in its own way. Diamonds come in a wide variety of colours. These days coloured diamonds or diamonds in ‘fancy colours’ as they are known are very popular. These diamonds are beautiful and are a great investment due to the brilliance in their colour, size and rarity. They are extremely valuable and prices u have to pay per carat. Over the past two decades, it has been observed that the prices of these diamonds have steadily increased just like paintings and works of art. They have been sold at auctions overseas at unbelievable prices due to the fineness in their colour. Rare and expensive, these diamonds are available in various shapes and colours like yellow, blue, red, pink, purple, green, orange, brown and even black. The pink diamond comes in different hues ranging from the subtle baby pink to brighter tones like hot pink. Pink being the symbol of love and romance, the pink heart shaped diamond looks fabulous when set in white gold or platinum. There is the red diamond which is among the rarest and one hardly gets to see it. The blue diamond is very pretty and comes in different shades of blue ranging from the bright blue sky to the peaceful ocean. Just like the pink diamond, the yellow diamond also comes in different hues from the bright yellow to softer tones and looks lovely when set along with white diamonds. The green and orange diamond is also extremely rare and one hardly ever gets a chance to see them. The brown diamond is seen more often and the colours vary from light brown to the dark chocolate brown. Similarly the black diamond also varies in shades. Several different ways of ‘treating’ a diamond, such as heat, can be used to intensify or enhance the colour. Although beautiful colours are created, the quality may be affected. Usually there is a slight change in the clarity and weight and a re-polish is required thereafter. With modern and sophisticated techniques being constantly used, the weight loss and clarity degradation can be minimised. However, these treated stones are worth far less per carat than their natural counterparts. These are also more affordable than naturally coloured diamonds and look very pretty in diamond jewellery in combination with white diamonds. Very few people get the chance to own naturally coloured diamonds due to their exorbitant prices. Hence one must take great care of this valuable investment. They must be kept clean and stored carefully when they are not being worn in special pouches. Utmost care must be taken while travelling. One should avoid wearing them while playing sports!