Related: Hailey Bieber Kisses Husband Justin's Neck in Sweet Selfie After 'Romantic' Vacation. Following Jack's birth in August, a source exclusively told PEOPLE that Justin, 30,

Hailey Bieber is rocking a new ring that pays tribute to her son with husband Justin Bieber. According to US Magazine, Hailey posted a pic of her new baby bling in an Instagram Story on Saturday, revealing an image of a square-shaped lime green peridot diamond nestled next to a teardrop-shaped topaz stone on a thin gold band.

Hailey Bieber is keeping son Jack Blues close to her heart, sartorially speaking. Bieber, 28, debuted a massive two-stone ring via her Instagram Story on Saturday, December 21, where a square-shaped peridot diamond sat beside a teardrop bauble in topaz on a gold hand.

Hailey Bieber shared a new ring on Instagram with a pear-shaped topaz stone and a square-cut peridot set in gold representing her and Jack’s birthstone.

Hailey Bieber just debuted a new piece of jewelry with a sweet meaning behind it. On Saturday, the model and mom shared a photo of herself sporting a massive ring that combined two gemstones representative of both her and baby Jack.

At least, that's the case for Hailey Bieber, who just debuted a new ring that features her and her son's birthstones. In an Instagram Story post on Saturday, Bieber revealed a ring inlaid with two jewels,