If your cocktail ring needs an extra dose of bling, Proenza Schouler has the answer. The marbled stones on this ring are so gorgeous, you can feel free to skip the nail polish.
Baublebar's Raw Geode Collar, $48, is simultaneously glamorous and bohemian with organic stones in a gold-tone setting. The Empire Edit blogger Christina Pellegrini wears hers to dress up a graphic tee.
Mary Seng of the Nashville style blog Happily Grey wears a druzy crystal Alchemy Ring from Sweet Suri Jewels.
Solange Knowles' stacked agate necklace makes an architectural statement. Knowles wore this monochromatic look to the fall H&M studio show in Paris.
Fashion and beauty blogger Emily Loke chooses hematite to accessorize her all-black ensemble. Both bracelets are from jewelry designer Ade.G.