Art Nouveau
Gold and Gold Alloys
All gold is yellow gold. The mixture of other alloys turns yellow gold to white, rose or green gold. Gold Alloys Pure gold, 24 karat, is too soft to use for jewelry. It is for that reason that other alloys are mixed with it to make it stronger. White Gold Alloys Nickel or palladium is the alloy used when mixed with gold that turns the yellow gold to white gold....
History of Synthetic Corundum/Ruby and Sapphire
The synthetic rubies and sapphires, so prevalant in the 1920’s have a long history of creation. In 1880, ruby and sapphire was discovered but in 1801, Robert Hare invented the oxyhydrogen gas blowpipe and the thought of producing synthetic ruby and sapphire was in the beginning phase of thought. In 1817, Guy-Lassac realized that heating ammonium alum would produce aluminum oxide and the actual process of synthesizing corundum started. In...
The History of Harry Winston
Harry Winston is known for the prestigious jewelry that he has owned and sold around the world in his limited locations. He was born on March 1, 1896 to immigrant parents. He started working in the jewelry business at the age of 12 when he purchased a 2.0 carat emerald gemstone in a junk shop for 25 cents. Two days later, he sold it for $800 dollars. Winston showed at...
History of Oscar Heyman & Bros.
Oscar Heyman & Bros., known for their master jewelry design, craftsmanship and impeccable diamond and gemstone workmanship, is very well-known in the jewelry industry. They are known for making jewelry for high end jewelers such as Cartier, Van Cleef & Arpels, Tiffany & Co., Shreve, Crump & Low and Marcus & Co. Oscar Heyman jewelry is available at only the very best jewelry stores. They own their own tool and die...