Natalie B Jewelry Monaco Duo Necklace in Metallic Gold. Natalie B Jewelry Monaco Duo Necklace in Metallic Gold. 14k gold plated necklace. Layered styling. Biwa & baroque pearl accents. Lobster clasp closure. Measures approx 19.5 in length. Made in USA. NATA-WL401. BELT21. Natalie Balker is a true southern California native, she is the perfect mix of beach bohemian and classic Hollywood glamour. Growing up shopping vintage fashion markets and cool retro design stores Natalie B, if not born with the eye, developed a keen knack early for recognizing unique one-of-a-kind gems.