Just hours after announcing her engagement to boyfriend Joshua Hall on Monday, Christina Haack showed off her new massive ring on her Instagram Story.

The Christina on the Coast star, 38, thanked Benny Hayoun of Los Angeles-based Benny and the Gems for designing the emerald-cut sparkler, which sits on a band covered in pavé diamonds. "Thank you @bennyandthegems - great friend and best jeweler," Haack captioned the post.

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Christina Haack Shows Off Her Massive Emerald-Cut Diamond Engagement Ring from Joshua Hall | PEOPLE
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