Few necklaces can provide total and utter versatility, but this reversible omega necklace makes good on that promise. Whether your look calls for 10k gold or sterling silver, the necklace has you covered--wear gold during the day, then flip the necklace over for a silver-clad evening. At 4. 0mm wide, 17. 0 inches long, and with a lobster claw clasp closure, this necklace has just the right amount of elegance and style.