The pin which was made around the 1930s is marked 14k and is solid yellow gold. It weighs 3.8 grams. It is oval in shape and measures 1 1/4" x 3/4". Set and dangling on the inside is a round European cut natural diamond with an approx weight of .60 cts. The diamond is SI1 AND I color. Set around the outside are 12 ) 3.5 mm cultured salt water pearls and 12 ) round natural diamonds with an approx total weight of .24 cts.