SORRENTO: Sorrento is the registered trademark of the Uncas Manufacturing Co,. established by Vincent Sorrentino in Providence, Rhode Island in 1911. Most of the Sorrento jewelry is either gold plated or sterling silver. Marked SORRENTO. Can be found on the market at reasonable prices.
SPHINX: Sphinx was a British company in business from 1948 to 2000. They made jewelry under their own name and also for such big names as Kenneth J. Lane and Saks Fifth Avenue. They manufactured high quality jewelry that is very collectible and not too commonly found on the market.
STAR: May have been distributed and manufactured by L.Heller & Son Inc. This company used the trademark Star in the 1940s and 1950s. Another trademark used during that time frame was La Tausca which is usually found on a tag on simulated pearl jewelry. Jewelry often displayed floral and Deco motifs. Marked STAR on the back of pieces. Can be found on the market.
STARET: Staret was the trademark of the Star Novelty Jewelry Co. located in Chicago, IL from 1925 to 1947. Manufacturers of rhinestone ornaments and novelty jewelry with very "Eisenberg-looking" pieces. Not too common on the market, collectible and priced accordingly.
STEIN, LEA: Born in Paris, France in 1931. Established her own textile design company in 1957. In 1963 she began designing and making buttons for the fashion industry. In 1967 she began making buttons from laminated rhodoid - a process developed by her husband Fernand Steinberger. She began making costume jewelry in 1969 using the laminated rhodoid. The company ceased operations in 1981. A costume jewelry dealer purchased most of the remaining stock and began selling in the United States. Returned to designing and making laminated rhodoid costume jewelry in 1988 and continues to present. All pieces are marked Lea Stein Paris. Very collectible.
STEINER: Based in New York and founded by Ernest Steiner. (Not to be confused with Ernest Steiner and Sons Inc. from Fort Lauderdale, FL who produce fine jewelry.) Steiner manufactured both rhinestone and metal jewelry. Marked Ernest Steiner Original in script form on an applied half oval plaque. Relatively scarce.
SWANK: Founded by Samuel M. Stone and Maurice J Baer in Attleboro, MA in 1897 as Attleboro Manufacturing Co. as a women's jewelry manufacturer. In 1908, an agreement was made with Aber and Wild Co. to manufacture men's jewelry. In 1914, the Kum-A-Part cuff button was developed. By the end of WW II the company discontinued the manufacturing of women's jewelry in order to focus exclusively on men's jewelry. By the late 1920s, were using the name Swank. In 1936, incorporated as Swank Products Inc. Changed name to Swank, Inc in 1940.
SWAROVSKI: Since 1892 has been the world's leading supplier of crystal stones to jewelry manufacturers. Launched its first line of fashion jewelry in 1985 which featured clear crystal rhinestones. Manufactured in limited editions and only available initially through a collector's club. High quality and collectible. Can be found on the market.
SWOBODA: Swoboda of California was founded in Los Angeles in 1956. The jewelry employs gold plated metalwork set with semi-precious stones and cultured pearls. Designs often show Victorian and Oriental influences. Very elaborate pieces are scarce on the market. Figural pins and pendant necklaces can be found on the market. None of its jewelry was marked before 1966. Signed pieces are signed Swoboda. Very collectible and priced accordingly.
SYMMETALIC: Symmetalic is the registered trademark of WE Richards Company founded circa 1900 in North Attleboro, MA. Usually made of sterling silver plated with 10K gold. Quality designs, materials and workmanship. Symmetalic trademark first used in 1936. Relatively rare on the market and very collectible. See also under Richards Jewelry Company.