Cristiano Ronaldo and his girlfriend, Georgina Rodriguez, are engaged after eight years together, the model shared on Instagram Monday.

After years of speculation, the soccer superstar’s engagement is big news, but it’s the enormous diamond perched on Ms. Rodríguez’s finger that has everyone talking.

Cristiano Ronaldo proposed to long-time partner Georgina Rodríguez with a giant diamond ring that experts believe could be worth around $5 million.