Large Pinkish Brown CVD Synthetic Diamond
As the vast majority of CVD synthetic diamonds submitted to the lab weigh less than one carat, this sample was unusual for its size, as well as its color grade of Faint pinkish brown. This is the first colored CVD synthetic diamond examined by GIA that did not merit a “Fancy” modifier, but instead fell in the Faint to Light range. While pink CVD-grown synthetics have been documented, in most cases the color was generated by post-growth treatment. Here the pinkish color seemed solely related to the growth process, with no subsequent treatments (HPHT annealing, irradiation, and then annealing) coming into play.