Wear the two tones your way This 4mm omega chain necklace gives you a smooth, collar-close line in 14k yellow gold and sterling silver. Flip it to match your look. The polished face catches light cleanly, while the firmer shape keeps it sitting flat at the neck, so you can wear it with a button-down, a simple tee, or a dress that needs one clear line. Pick the length that fits Choose 16, 18, or 20 inches, depending on where you want it to rest. The shorter length sits higher and feels more tailored; the longer ones give you a little more drape. It's a piece you'll reach for when you want something neat, easy to clasp, and steady enough to wear on its own or under a pendant.