Dating Jewelry Tips

Dating Brooches

Dating by Rhinestones

  • Aurora Borealis coating invented by Swarovski in 1956

Dating by Signature

  • When was the company in operation? Find out in Marks & Designers
  • Many companies changed signatures over time, when was yours used?
  • Jewelry marked with the copyright symbol was probably produced after 1954.

Dating by Metal

  • Most jewelry with rhodium plating was produced after World War II, helping determine the age.
  • During WW2, many jewelry designers used sterling silver to make their jewelry as other metals were needed for the war.
  • Jewelry between 1906 and 1961, jewelry may be only marked '925' or 'sterling'.
  • After 1961, jewelry should also have a makers mark.. but it should be noted that not all manufacturers didn't follow the law and some later pieces are simply marked 925 (when sterling silver).

Dating by Clasp

  • Fold-over clasp - First used in the 1940s.
  • Hook and Tail - Popular in the 50s and 60s
  • Lobster Claw - Widely used since the 1970s
  • Hook and Box - Used mostly in the 1920s and 1930s

Dating by Decade










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