Contrasts among regular shaded jewels can be unpretentious, anyway, the distinctions in cost can be immense. In this manner, it's difficult imperative to discover what the exact shading evaluation of the jewel is, yet in addition, comprehend if the shade of your precious stone is regular or a result of some sort of technical interference. Cutters have been utilizing fake methods for quite a long time endeavoring to "brighten" colored precious stones. Up to this point, these methods created results that were just concise, and any accomplished gem dealer could undoubtedly detect the treatment. Yet, over the most recent few years, the circumstance has been changing quickly with new trial methods entering the commercial center that can make lasting outcomes. This is very exciting news, but you should take precautions to ensure you are buying what you think you are paying for.
A new process called HPHT was introduced into the market in
the 1990s, which was a joint venture between General Electric (GE) and a
diamond manufacturer. In brief, a new product was created by the process
involving the use of high-pressure/high-temperature annealing (HPHT process, in
short). With this process off-white, very tinted diamonds can be turned into
near-colorless and colorless stones, with the color ranging from D to H
category. As well, this process could be used to transform tinted diamonds into
"fancy" colored stones, producing such colors as blue, pink,
yellowish-green, and yellow. The creators of the HPHT
diamond trust they have given the world a new diamond category that will
provide the consumers with more alternatives. The HPHT diamonds' color is
permanent and irreversible.
Not all natural colored diamonds could be turned into colorless or near-colorless diamonds. Only some types of diamonds respond to HPHT whitening process. Reports estimate that of all the mined diamonds, less than 2 percent produce the desired effect. Today the process is also used to manufacture fancy-colored blue, pink, and yellow diamonds.
GE is now selling the color-enhanced "colorless" diamonds under the name Bellataire™ by the use of exclusive arrangements with selected retailers. These diamonds are available in different grades starting from D to H and are normally cut into fancy shapes. As far as the cost concerned, it is unclear how they are priced. Some retail jewelers would charge a small premium because these diamonds are still very rare, while others would incentivize their customers by pricing at 10 to 20 percent below their natural-color counterparts. For many people, though, HPHT Lab grown diamonds represent an exciting and beautiful alternative to natural colored diamonds. Eventually, it will be the customers' acceptance and demand which will decide their price.
