Be careful how you read the grading, plus remember that often they will send what they like, what are you going to do about it? nothing, they have the market sewn up. The wording will be, "A typical Grade 1", this means that they can put whatever they like in the mix and claim that the spec given given does not apply to all clefts. Also they split the rounds as tight as possible so many clefts will be missing strips off the back and prevent decent shapes being made. Ask Redback about his last order. Also they discount a lot off the standard price list, 40% or more for the bigger customers.