Emma Slater's engagement ring is one stunning sparkler!

The 27-year-old Dancing With the Stars pro showed off her new bauble in an Instagram video posted on Wednesday, Oct. 5.

"I can't believe that's my finger wearing the second most beautiful thing I've ever seen! The sapphire in this literally changes color in different lights, I've never seen anything like it, I'm so unbelievably in love with it! I've always been a colored stone person, and I just can't believe this is my engagement ring," the TV star captioned the video.

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Emma and her fiancΓ©, DWTS pro Sasha Farber, became engaged on a Dancing With the Stars episode on Tuesday, Oct. 4. Congrats to the happy couple!

Click through the gallery below to see more of the most gorgeous engagement rings in Hollywood!