Four main components are taken into account when determining the quality and value of a diamond - color, polish, clarity and carat. Acting as a prism, diamonds can decompose the light spectrum of colors and reflect it in the form of bright glare. Just like tinted glass, color in the diamond acts as a filter and limits the spectrum of the reflected color. The less color a diamond in one of the more colorful glow and is accordingly much higher valuation of diamonds is the criterion “color.” Diamond, which generally looks bright yellow to the naked eye will appear more colorless, with if fitted in a white setting – platinum, white gold. If that same diamond is mounted in yellow gold, it will visually enhance the him yellow tone .
The color of some diamonds was changed dramatically through various means, some of which are temporary, others permanent. Some of diamonds are used to mislead the consumer, others are permanent and will improve the appearance and setting of quality stones with a more affordable, others simply seek to create interesting diamonds color.For example, methods for recovery of diamonds with different substances to hide the yellow hues, is an unstable and its purpose is to mislead the buyer. In normal wear and jewelry cleaning coating is falls. Sometimes the diamond apply dots of purple or blue ink in order to neutralize the yellowish color. These colors areas are usually hidden by the setting and hard to spot, but drop coverage for treatment of water or detergent.
Other techniques using radiation and high temperatures can change brown and yellow diamonds in green, bright yellow, blue, purple, red stones. The color is usually permanent but can be changed if the diamond is exposed to high temperatures – as in the repair plate. Natural diamonds colors are quite expensive and those that are sold as natural color must be accompanied by a laboratory certificate. In contrast, artificially colored by radiation and heat diamonds are more affordable.
Working with high temperature and high pressure is used to make more unpopular brownish diamonds into more expensive and more colorless stones. This treatment is used by many companies and leave lasting effects, but purchase of such artificially diamond color is a matter of personal choice and in general they seem cheaper than naturally color diamonds with similar characteristics.
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