Supermodel Alessandra Ambrosio is set to wed jewelry designer Buck Palmer following a romantic proposal in Indonesia. The 45-year-old Victoria's Secret alumna shared photos of the massive diamond ring and their tropical getaway on social media this week.

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A $500,000 cushion-cut diamond in Indonesia

The engagement features a significant piece of jewelry that has already captured the attention of industry experts. According to reporting from The Daily Mail, the ring is an elongated cushion cut set in a yellow gold bezel. olivia Landau, the founder and CEO of The Clear Cut, estimated the diamond to be between five and seven carats. Landau further noted that the piece's value could range from $200,000 to $500,000 depending on the specific quality and size of the stone.

Ambrosio showcased the ring in several ways, including a close-up while wearing a crochet string bikini and a shot taken from inside their hotel room. the couple also posed within a heart-shaped arrangement of rose petals to celebrate the moment, adding to the romantic atmosphere of their Indonesian retreat.

From Miami Art Basel to a beachside proposal

The relationship between Ambrosio and the 44-year-old Palmer began in late 2024, following their initial meeting at Miami's Art Basel. Since that time, the pair has been seen together at various high-profile events, fueling speculation about their long-term compatibility. As The Daily Mail reported, the couple's romantic getaway in Indonesia included horseback riding and ocean swims,culminating in a beachside proposal.

Ambrosio expressed her commitment on their joint Instagram page, writing, "I'd choose you in this life and every life." This public declaration follows months of rumors that the pair were becoming increasingly serious.

Balancing motherhood with Anja and Noah

This engagement marks a significant new chapter for Ambrosio, who is a mother to two children, Anja, 17, and Noah, 14, from her previous relationship with Jamie Mazu. The supermodel has been open about her journey with love, previously telling Us Weekly that she and Palmer share a deep "passion for life." She noted that they both enjoy living life to the fullest and finding joy in the "little things."

This sentiment is bolstered by reports that Ambrosio hopes to share every New Year's Eve with Palmer, signaling a desire for lasting stability. The transition into this new phase of life comes after Ambrosio has been vocal about her belief in finding true conneciton despite past relationship difficulties.

Did Buck Palmer design the five-carat ring?

While the ring is a centerpiece of the announcement, one specific detail remains unverified: whether Palmer, a professional jewelry designer, actually crafted the piece himself. Although some sources previously suggested he may have designed a gold band Ambrosio wore in the spring, it is not yet clear if this specific cushion-cut diamond is his own work. The ambiguity persists despite the fact that Palmer's profession makes him a likely candidate for the design.

Furthermore, while the couple's social media posts suggest a deep connection, the specific timeline for their upcoming wedding remains unknown. Representatives for both Alessandra Ambrosio and Buck Palmer have been contacted for comment regarding the design and the wedding plans, but no official response has been provided.