Antique art deco vintage hat pin With beautiful diamond approx .20 points 14kt yellow gold 14 karat

Beautiful Antique art deco 14 karat gold hat pen gorgeous white shiny diamond 14kt 14 kt It is difficult to measure to the edges but it appears to be approximately 3.57 mm it is a nice size diamond I would say it is about .20 points tcw
What makes this piece special is the vibrance of the diamond, they did not hesitate to use a beautiful quality diamond and it shows.