Glass beads are usually categorized by the method used to manipulate the glass - wound beads, drawn beads, and molded beads. There are composites, such as millefiori beads, where cross-sections of a drawn glass cane are applied to a wound glass core. A very minor industry in blown glass beads also existed in 19th century Venice and France.

A variant of the wound glass beadmaking technique, and a labor intensive one, is what is traditionally called lampworking. In the Venetian industry, where very large quantities of beads were produced in the 19th century for the African trade,

Vahan Jewelry

Born in the South of France and raised in Paris, Sacha was preceded by two generations of designers. His grandfather Manasse established a luxury jewelry and joaillerie company in the late 19th century.^[1] The business was taken over by Sacha's father Arsene Der Calousdian in the 1930s.

From a young age Sacha took to exploring his father's factory and experimenting with the tools of the trade. By his late teens it blossomed into a true passion. He attended "La Chambre Syndicale de la Bijouterie," one of Paris' most prestigious jewelry design schools. During these years Sacha additionally studied under the tutelage of Archag Tovanian, an early member of the "Salon Des Independants." This group is recognized as a major influence to the beginnings of the Neo-Impressionist style of painting.