Any process other than cutting and polishing that improves the appearance color, clarity, phenomena or durability called enhancement.

Beauty enhancing treatments can produce remarkable results. Less expensive materials can be transformed into beautiful gemstones. Gemstones are treated in different ways to improve their appearance and make them more marketable. The most famous method of gemstone treatment is heat treatment.

Heating method helps in improving or removing the gemstone colour. Tourmalines are frequently heated to lighten the color. Blue zircons are usually heated and the resulting color is permanent. Since heating is generally permanent, heated stones do not require special care.

Bleaching, coating, dyeing, filling, impregnation and waxing methods are used for Semi-permanent or temporary gem enhancement, However flux healing, fracture filling, heat treatment, irradiation, lattice diffusion and lasering can make permanent effects on gemstones.

Oiling process is used to enhance the clarity of Ruby, sapphire, Tourmaline and emeralds. Oil is applied to the stone by pressure plus vacuum to enhance its clarity through different lubricating machines and these machine can be used at home, in the office or anywhere because of it's simplicity way of use.

For some stones treatment or enhancement can reduce its value?

For example, a large, untreated, (color unchanged) stone is much more desirable on the marketplace than a similarly "treated" stone and will never lose its color or beauty.

There is nothing intrinsically wrong with gem enhancements as long as you are made aware of their use. You can always get the better results by giving the right treatment to your gemstones.

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