Now that’s a lotta bling.

Cristiano Ronaldo proposed to his longtime girlfriend , Georgina Rodriguez, with a colossal engagement ring befitting of a billionaire.

Rodriguez showed off her new sparkler on Instagram , confirming her engagement to the soccer star, 40 — and dazzling fans with the jaw-dropping ring, featuring an oval-cut center stone and two side stones.

While the couple did not confirm who made the mammoth bling, experts tell Page Six Style that the price tag could fall anywhere between $2 and $5 million.

Ajay Anand, CEO of Rare Carat estimates the center stone to be of D color and flawless clarity, potentially weighing over 30 carats — which would place its value at as much as $5 million.

Meanwhile, Laura Taylor, engagement ring specialist at Lorel Diamonds , br

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