Berets from TheRealReal
If you're looking for a thrifty option, this Sonia Rykiel Beret will fit the bill. It's a fail-safe choice, while not very pricey. You can also take a look at this Kate Spade Beret. It's a product you're bound to love which also doesn't cost too much. Or you can choose this Paul Smith Beret - be sure you'll be making a stylish addition to your wardrobe.
If you're in a Treat Yo' Self mood, then what you're looking for is this Hermes Beret. It's more expensive but worth your money.