Which of the following would NOT typically be considered a source of diamond prices?

The correct answer is that marketing arrangements would not typically be considered a source of diamond prices. While marketing offers strategies that can influence demand and consumer perception, they do not directly determine the intrinsic value of diamonds in the same way as other factors.

Mining costs relate directly to the expense incurred in extracting diamonds from the earth, while market conditions reflect factors like supply and demand, economic trends, and consumer confidence, which can all fluctuate and thus affect pricing. Wholesale price lists provide a framework and point of reference for pricing in the diamond trade, guiding retailers and consumers on expected prices.

In summary, while marketing plays an important role in selling and promoting diamonds, it does not serve as a foundational element for establishing the market price, unlike the other options listed.