Congratulations are in order for Elsa Hosk and Tom Daly!

The model’s longtime partner popped the question in their new apartment, elegantly decorated with flower shrubs and candles.

Hosk announced the news via Instagram on Wednesday while flaunting what appeared to be a Tiffany & Co. Tiffany Soleste halo engagement ring with a diamond platinum band.

Kegan Fisher, a Frank Darling co-founder, told Page Six that the rock is estimated to be “roughly 10 carats.”

“The couple has been together for ten years, making the ‘perfect 10’ carat choice especially poetic,” she added.

Fisher estimated the retail cost of the rock to be between $350,000 and $500,000, while the “premium” cost can range from $750,000 to $1 million.

In additional photos, Hosk, 36, gave a closer look at the oval-shaped

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