- Exceptional craftsmanship
- Etienne Nitot Opens for business on rue St. Honoré.
- Orders from Joséphine Beauharnais.
- Crown for Napoleon.
- Princess Joséphine.
- Hydrangea parure.
- Cameo & intaglio parure.
- Pearl parure.
- François Regnault Nitot takes over the firm after the death of Etienne Nitot.
- Napoleon commissions a ruby parure for his bride, Marie Louise.
- François retires and turns the firm over to Jean Baptiste Fossin, his workshop director.
- Fossin & Fils named "Crown Jewellers" of France.
- Awarded Legion d'Honneur.
- Jean Valentin worked for Fossin.
- Royal Warrant: Queen Victoria - to Morel.
- Morel's daughter married Joseph Chaumet.
- Fossin turns the company over to Prosper Morel.
- Fossin organizes the bijouterie et joaillerie française for the London World Exhibition.
- Joseph Chaumet partners with Morel.
- Chaumet marries Morel's daughter and takes over the firm in 1885.
- Gold Medal at the Paris World Exhibition.
- Russian Imperial Order.
- Became known as the Master of Tiaras.
- End of Chaumet family involvement in the firm.