A technique of enhancing or neutralizing a gemstone's color. Enhancing a gemstone involves painting the pavilion facets of the stone to improve its color. Neutralization is used to tone down the yellow of a diamond. This is done by painting violet dye around the girdle of a diamond (or also the pavilion facets). It has been used since the 16th century, even prior to the origin of the brilliant cut. Tinted gemstones are usually set in a closed setting to hide the fact that the stones have been altered.
Most non-glass lenses can be dyed to add color for cosmetic purposes or to reduce light transmission. Glass lenses must be made from colored glass or have color applied by vacuum coating. Go to Top
Adding a transparent layer of reflected color over an existing layer. For example, leaves surrounded by pink flowers may be tinted randomly with pinks to suggest the reflection from the flowers.
The act of changing one color by adding another.
The final adjusting of a color of paint to the exact shade required. Tinting is achieved by adding small portions of colorant to a tint base of prepared paint.