Clockwise from bottom-left:
A white onyx medallion on a rope chain is understated enough for every day. Asha by ADM, $595
A trio of chains anchors a reversible shagreen charm. Kara by Kara Ross, $340.
The glittering interior of an agate is displayed atop a wooden backing. Fine Jewelry with Carol Brodie, $370.
Artisans in Italy handcrafted this oxidized silver, kogolong, and yellow jade pendant.Bottega Veneta.
Art Deco–inspired links and tassels look both vintage and contemporary.Trina Turk, $194 with code OPRAH.
This short chain is almost as ornate as the gold-plated pendant.Curations with Stefani Greenfield, $70.More O fashion: 7 new ways to wear khakis