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Unlike most Internet jewelers, at Diamond Design Co. each piece of jewelry is carefully designed and crafted by our in-house jewelers.

Need it wider, smaller, more stones, less stones, a different metal or precious stone, NOT A PROBLEM. Our jewelry is made-to-order-, "made by us for you".

Fine quality jewelry should come with fine quality service

Specific Forms of Gemstone Enhancement

From the American Gem Trade Association (AGTA)


Any treatment process other than cutting and polishing that improves the appearance (color / clarity / phenomena), durability, or availability of a gemstone.

The use of heat, light and / or other agents to lighten or remove a gemstone's color.
The use of such surface enhancements as lacquering, enameling, inking, foiling, or sputtering of films to improve color uniformity.
The introduction of coloring matter into a gemstone to give it new color, intensify present color or improve color uniformity.
The filling of surface breaking cavities or fissures with colorless glass, plastic, solidified borax or similar substances, which are visible under properly illuminated10X magnification. This process willimprove durability, appearance and / or add weight.
The use of heat to effect the desired alteration of color, clarity, and / or phenomena. (Residue of foreign substances in open fractures is not visible under properly illuminated 10X magnification.
Heat and Pressure
The use of heat and pressure combined to effect desired alterations of color and / or clarity.
The impregnation of a porous gemstone with a colorless agent (usually plastic) to give it durability and improve appearance.
The use of a laser and chemicals to reach and alter inclusions in diamonds.
Oiling / Resin Infusion
The filling of surface breaking fissures with colorless oil, wax, resin or other colorless substances, except glass or plastic to improve the gemstone's appearance.
The use of neutrons requiring and environmental safety release from the Nuclear Regulatory Commission (NRC), Gamma and / or electron bombardment to alter a gemstone's color. The irradiation may be followed by a heating process.
The use of chemicals in conjunction with high temperatures to produce color and / or asterism-producing inclusions.
Waxing / Oiling
The impregnation of colorless wax, paraffin and oil in porous opaque gemstones to improve appearance.
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