The "Pretty Blue Necklace" is a stylish chain necklace featuring a natural blue main stone. This necklace is perfect for adding a pop of colour to any outfit, with its elegant design and vibrant blue hue. Although it is not hallmarked, this necklace is sure to make a statement with its unique and eye-catching style. Ideal for those looking to add a touch of nature-inspired beauty to their jewellery collection.