E0.6 heart decoration, Emoji

A decorative heart that typically appears as a cutout of a white heart placed inside a pink or purple rectangle.

Prior to this, Microsoft's had corner stitches, Samsung's had a pink-patterned heart, and Google's had a pink heart with yellow dots surrounding it.

In 2010, Heart Decoration was approved for inclusion in Unicode 6.0, and in 2015, it was added to Emoji 1.0.

Example link text 💟