It’s easy to spot self-professed gem-obsessed journalist Cheryl Kremkow (@kremkow) at a show. She’s the one setting up her own mini–photo shoots at designers’ booths—backdrops, lighting, and all, in mere minutes—and producing pics that the artists themselves call “awesome” and “magical.”

(Above) Kremkow saw something Cleopatra-esque in this emerald bib necklace by ILA Collection.

It’s hip to be square—especially with these new Jane Taylor rings with unheated Umba sapphires.

Adding some color to her day with these dynamite drops from Eden Presley Jewelry.

A cocktail of morganite, pink diamonds, and aquamarines from Gigi Ferranti Jewelry.

Rose-cut sapphire earrings that recall butterfly wings by Brooklyn, N.Y., designer Page Sargisson.

Celebrating October’s luminous birthstone with JJewels Milano’s colorful cabochon pendant.