Jean Henri Lhuillier
Videos
Jean Henri Diago Lhuillier is a Filipino businessman, diplomat and sports patron. He is the president and CEO of the PJ Lhuillier Group of Companies, which operates and manages Cebuana Lhuillier.
Jean Henri Lhuillier
Gemology
Videos
Gemology or gemmology is the science dealing with natural and artificial gemstone materials. It is a specific interdisciplinary branch of mineralogy. Some jewelers are academically trained gemologists
Jean Henri Lhuillier
…economics and business administration. He was part of the Saint Mary's Gaels tennis team until his junior year. In 1992, Lhuillier took up studies in gemology in Los Angeles in preparation for managing the family business. He resided in the United States for 12 years. While still studying in Moraga, Lhuillier…
Examining a pink sapphire under a gemmological microscope
Gemmological travel lab KA52KRS
A selection of ornamental, non-precious stones made by tumbling rough pebbles with abrasive grit in a rotating drum. The biggest pebble here is 40 millimetres (1.6 in) long.
Traditional handheld refractometer