New Metal Strong Light Perfectly Round Large 8mm Pearl Black Agate Vintage Necklace French Collarbone Chain 40+5cm Live.. This exquisite vintage-inspired necklace features a sophisticated French collarbone design, crafted with premium materials for a luxurious feel. The centerpiece showcases a large 8mm perfectly round black agate pearl, renowned for its deep, glossy finish and elegant allure. Complemented by sturdy, lightweight metal links in a classic silver or gold tone, this piece combines durability with timeless style. The adjustable 40+5cm chain offers versatile styling options, perfect for layering or wearing solo as a statement piece. Ideal for both casual and formal occasions, this necklace adds a touch of refined elegance to any outfit.