Buying Sapphires

Color is of paramount importance when judging the value of sapphire. The purer the blue of a natural sapphire, the greater the price the gemstone can command. Gems that are too dark or too pale are usually less valuable, but not necessarily less appealing. Beauty is in the eye of the beholder and color preferences are subjective.

In recent years technology has perfected the process of heat-treating sapphires--exposing them to very high temperatures to eliminate impurities. In fact most sapphires on the market today have been heat-treated to improve clarity and color. This process is stable and does not affect the value of the gem, except at the highest level of the market.

Occasionally, colorless to pale blue sapphire is diffusion treated. This process alters the color of a gem by exposing the surface to certain chemicals (the same used by nature). The treatment is fairly stable, but it is confined to the surface of the gem only. This could create a problem, if the sapphire is ever badly chipped or nicked and needs to be recut or repolished. Diffusion treatment is not the same as heat treatment. Alrashid Cyber Mall only sells natural or stable, heat-treated sapphires of exceptional color in our

 Additionally, some fancy sapphire is irradiated to produce intense shades of yellow or orange. This process, however, is not very stable. The temporary color produced by this method can quickly fade in light or heat. It is important to buy fine sapphire from a reputable retailer who will provide, in writing, all pertinent information regarding the gem including enhancements and special care notes.

A gem's clarity and cut also factor into its cost, as well as carat weight. Better quality sapphires are usually eye-clean with some inclusions under magnification. Sapphire is more available in sizes under two carats, but gems of 5 to 10 carats are not unusual. Sapphire reaches a far greater size than ruby.

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