In this episode, Marina tests her ability to distinguish real diamonds from fakes through a fun and luxurious taste test. She explores high-end items like designer handbags, premium chocolates, and expensive skincare, while ranking accessories and snacks. Marina reacts candidly to discovering the true costs of her dislikes, including an $80 lip balm and a $275 headband. With her zodiac charm and lively personality, she brings humor and curiosity to this glamorous challenge.