diamond earrings in jewelry is the most popular of all gemstones. The price of it and rarity is carefully monitored by the major diamond cartels. As a result the price of diamond in jewelry is pretty well standardized to size and quality of the stone.
Whilst most gem diamond dealers appear to be colourless, others can contain increasing shades of yellow to brown, some of which are referred to as champagne diamonds.
Fancy diamond jewelry shapes such as diamond, trilliant diamond, pear diamond, marquise, oval, and princess diamond are all designed to maximize the carat weight.