Here's how much racecar driver George Russell dropped on the rare diamond sparkler he proposed to Carmen Montero Mundt with. Congrats are in order as Formula 1 star George Russell and his partner, Carmen Montero Mundt, are engaged! Neil Dutta, managing director at jewelry retailer Angelic Diamonds, shared his analysis on the stunning ring Russell gave his fiancée and estimated how much it cost. “It also gives what is otherwise quite a traditional three-stone engagement ring much more personality. Yellow diamonds are often associated with warmth, joy and optimism, which is fitting symbolism for an engagement ring.