This stunning Monica Rich Kosann necklace features a blue and green tourmaline locket hanging from a black steel chain. It has a height of 1.25 inches with the bail and a width of 0.75 inches. The chain length ranges from 15 to 18 inches. Adorned with diamonds totaling 0.33 carats and blue/green tourmaline stones with a total weight of 11.45 carats, it's crafted in 18K yellow gold.

To wear this beautiful necklace, simply open the clasp on the black steel chain and put it around your neck. Close the clasp securely to ensure it stays in place. When not in use, store it in a jewelry box to prevent scratches. Avoid wearing it while swimming or doing strenuous activities as it may cause damage. To clean, use a soft, dry cloth to gently wipe the necklace. This will help maintain its shine and beauty for years to come.