This is a Necklace.
While predominantly known for its use of colorful precious stones, Mauboussin also used the geometric forms found in other design disciplines. This necklace of about 1929 features diamond-decorated globe forms and was sold in New York, where Mauboussin had a shop for two years leading up to the stock market crash.
It is credited
Neil Lane Collection.
Its dimensions are
Necklace: 6 3/4 x 4 3/4 in. (LxW) Box: 6 3/4 x 7 in.(open)
It has the following markings
French Platinum marks
This object was previously on display as a part of the exhibition The Jazz Age: American Style in the 1920s.