Photo: Chris Coppola

Advice from O creative director Adam Glassman

Black jewelry really does go with everything: Mix it with gold and silver pieces (or both!), as well as any color shoe or bag.

When in doubt, choose a long black necklace rather than a choker. It will make you look taller and leaner.

Clockwise from top-left

Studs add toughness to a stretch bracelet; subtle sparkles keep it feminine. (Lisa Freede, $48, LisaFreede.com)

Opposites Attract: drop earrings featuring a smooth agate stone with rough quartz. (Lucifer vir Honestus, $2,673, Barneys New York, 888-822-7639)

Let this dramatic pendant take center stage: Pair it with diamond studs or tiny hoops. (Robindira Unsworth, $250, Robindira.com)

Matte onyx beads—interspersed with bits of gold—look great for day and evening. (Anne Sportun Jewellery, $990, AnneSportun.com)

Pile a stack of black diamond bangles over a leather-strap watch for a richly eclectic look. (David Yurman, starting at $1,350 each, DavidYurman.com)

A bold and glamorous statement ring is perfect for your cocktail-holding hand. (Megan Odabash, $650, Intermix, NYC, 212-249-7858)

This oxidized chrome, gold, and diamond piece is dark, delicate, and perfect for stacking. (Sarah Graham Metalsmithing, $1,310, VonBargens.com)

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