Korinna Kriemhild. Diamonds. May 16th , 2017.
As a side-note, while picking the ring, inquire about the number of carats. The rings on display will have the units 'ct' or 'ct TW'. 'Ct' denotes the number of carats in the diamond, while 'ct TW' signifies the total number of diamonds embedded together which are worth that many carats. Ask your jeweler about the carats in the ring. He will definitely be impressed by your jewelry knowledge, and may give you a better price. Remember Plato's words when he said that a good decision is based on knowledge, and not on numbers.
HPHT (High Pressure/High Temperature) - It is a color enhancing treatment developed primarily by GE. An annealing process which involves high pressure and temperature, can change low color or fancy brown color gems to colorless gems. The change is permanent and can yield less expensive gems.
This compact crystal of pure carbon does not dissolve in any liquid at room temperature. Concentrated acids, at a very high temperature and pressure, may be able to decompose minute quantities of a diamond. Comparatively, a better job of dissolution is done when a solution of molten sodium hydroxide and sodium nitrate is heated and used. Researchers at the National University of Singapore have discovered a novel way to degrade, etch, or basically dissolve a diamond.
☛ Consumers are within their right to ask about the source or origin of the diamonds sold by the jewelers. Therefore, you must inquire about the mine from which the diamonds being shown to you were extracted.
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