Impressive Raymond Yard 1940s Art Deco French 14k Gold Yellow, Platinum 950 and Diamond Cultured Pearl Citrine Leaf Brooch / Pendant / Pin

 This is a high quality pin from the famed designer also has a pendant piece that can accommodate a chain.  

The citrine measures 19.8mm x 14.6mm and the brooch measures 50mm x 37mm at widest point. The piece is marked "Yard 14k" and the weight is 23.5 grams.