The qualities that determine the overall value of a natural or cultured pearl or a piece of pearl jewelry are size, shape, color, luster, surface quality, nacre quality, and—for jewelry with two or ...
This involves the synthesis of novel polymeric dispersants and the exploration of their interactions with pigments to improve stability and application efficiency. One significant area of research ...
The GIA Cultured Pearl Classification Report is an abbreviated report that provides classification information on unmodified cultured pearls. This dossier-sized report includes a detailed ...