Jewelry styles of the twentieth century show a fascinating evolution. We know that these styles of Art Nouveau, edwardian ruby ring (or Garland), Art Deco and retro. Everyone has been popular for a period and each has its unique style. During the first decades of the twentieth century, the jewelry industry has experienced a renaissance. This is due in part to the discovery of new sources of supply of gems and industry development of new techniques and lapidary. Social roles also changed, prices jewelry were within reach of the ordinary citizen. The changing role of women in society and the rise of the bourgeoisie new demands on the jewelry industry. In response, the industry experienced a revolution in the style of jewelry and design. The first half of the twentieth century saw several different styles of jewelry. Some have been associated with movement, others were a response to shortages of war. All leave a legacy shining in the treasures that connoisseurs prize today. Introduced in the 1890s, the fluid style of Art Nouveau was a break with the historical revival styles that dominated the nineteenth century the decorative arts. Art Nouveau, French for "art nouveau", was inspired by the vitality of the natural world and a new appreciation for Japanese art. Art Nouveau jewels combine realistic interpretations of plants and animals with creatures of fantasy and myth. High level of fine art by designers such as Rene Lalique, sinuous and sensual style that disappeared with the arrival of the First World War in 1914. Between 1900 and 1915, during the reign of the seventh king of England, Edward, the upper class of Europe and the United States wore jewelry as a way to show their wealth. They were in favor of lavish jewelry inspired by the French court of the eighteenth century. Their jewelry were the most beautiful, rarest and most expensive gems and precious metals. This style of jewelry is known as the Edwardian, but it is sometimes called Garland, as it usually featuring garlands of flowers tied with ribbons and knots. * Reasons like garlands, ribbons, loops, rolls, bursts, Greek key, laurel wreaths, wings, feathers, wreaths, oak leaves, swallows and butterflies. The Art Deco style emerged after the First World War and dominated the decorative arts and jewelry from 1920 in 1930. It was a strong reaction against the sensuality of the ethereal and elegant Art Nouveau style of delicate Garland. Art Deco Jewelry practice suggests the postwar period with its strong geometric patterns in bold contrasting colors. The outbreak of World War II ended in 1939 the Art Deco period. Gems have been rare during the early 1940s, and platinum has been reserved for military use. The jewelry manufactured during and immediately after the war materials, such as gold and diamonds, which were still available during the lean years. Jewels of the period is known as Retro. Retro style rounded acute angles of Art Deco and cut its bright colors. It features sculpted curves sparingly set with small diamonds and rubies. Jewelry from the late 1940s reflects the prosperity of post-war most opulent use of colored stones and femininity rose design patterns. . . .