The ideal diamond is completely colorless. These are the most expensive types of diamond. Though most diamonds appear colorless, they actually have slight tones of yellow or brown. The Gemological Institute of America (GIA), the authority in diamond certification, grades color alphabetically from D (totally colorless) to Z (heavily tinted).
White, red, blue and green diamonds are very rare diamond types.
The cut refers to the proportions, finish, symmetry and polish of the diamonds. These factors determine the intensity and brilliance of a diamond. A well-cut diamond is proportioned, symmetrical, and polished; these are typically the most read more…