3+ Vintage Buttons Soft Amber Plastic? Centers With Clear Rhinestone Borders

Here are 3 vintage buttons and an extra partial button. Three have a translucent amber color center that captures light similar to tiger's eye stone but is Lucite or other plastic. Each has a border of clear rhinestones. There is a 4th button that is missing its center that I am including. They have metal settings and measure about 0.6" or 15mm.