What does AAA mean on jewellery?

In jewellery, "AAA" typically refers to a grading system for gemstones, particularly pearls. It signifies the highest quality, indicating that the pearls are very lustrous, nearly flawless, and have Excellent shape and size. The grading can also apply to other gemstones, denoting superior clarity, color, and cut. However, it's important to note that grading standards can vary between different jewelers and regions.