A 27-year-old Rogelio Villarreal has seemingly procured a pair of $14,000 Cartier earrings for his mother for merely $14, thanks to a listing error on the company website. What Happened: Villarreal, a surgery resident from Mexico, stumbled upon an Instagram ad for Cartier in December. Among the high-priced items, he noticed a pair of 18-carat rose-gold earrings with diamonds, listed for 237 Mexican pesos ($14). He purchased two pairs for his mother, as reported by The New York Times. After the purchase, the price for the earrings was adjusted on the Cartier website to 237,000 pesos, equivalent…