King Charles and Queen Camilla made it a family affair at Royal Ascot on June 19 as they were joined by several relatives and close friends for the carriage procession at the races.

The Royal Ascot is in full swing, and you know what that means: a week of high-stakes horse racing and high-fashion royal sightings. Everyone from Zara Tindall to Prince William showed up looking sharp,

Stone called Queen Camilla's decision to wear the brooch a "deeply symbolic choice" as "emeralds represent rebirth, renewal, and enduring love." The Cambridge Cluster Emerald and Diamond Brooch is estimated to be worth as much as $50,000, according to Stone.