Pear-cut diamonds were especially popular among stars ... and shared close-up shots of her ring on Instagram. Her custom Brilliant Earth design features a vibrant red band, rose-gold prongs ...

The second Harry Winston piece was a pair of platinum cluster earrings featuring pear and marquise-shaped diamonds. The two main diamonds were oval brilliant-cut diamond pendants of 10.10 and 10.08 ...

The sleek, bypass design contains a 5.03-carat pear-shaped diamond ... Both are internally flawless. The diamonds are set in a platinum ring accented with brilliant-cut colorless and yellow ...