I dont have access to all the information available on the internet. However, based on my research, I couldnt find any information about a grade associated with Brazils Golden Jade Granite. The grading system for granite varies by individual suppliers, and it is not necessarily linked to a specific type of granite. The grade of granite is determined by the quality of the stones texture, strength, and durability. It is important to note that grading is not standardized across the industry, so it may vary depending on the source.