Raw, un-worked gold pricing is based on the karat ratio and the gold weight. It is important to keep in mind the color and weight of the jewellery before confirming the online purchase. Jewellery pricing is generally based on several factors, including weight, design, and craftsmanship. The techniques used in jewellery construction are a key factor in ensuring its durability and flexibility for added comfort and the same factor may tend to increase the gold price for that piece. Gold jewellery is mainly produced by machines. Hand finishing and various customizations can potentially also increase the cost. Natural gold is always in deep yellow color with a metallic luster, only when it is alloyed with certain metals it creates various color hues like white, pink/ rose, green and other colors. Before buying online jewellery, one must educate themselves on how the pricing factor differs basis a number of factors, including karat ratio, gram weight, design, and craftsmanship.