Do factory diamonds increase Rolex resale value?

They can increase the dollar value of the watch, but they don’t necessarily increase the percentage of retail value retained.

Certain factory diamond dials, bezels, and precious-metal configurations have very high retail prices. Secondary-market buyers may not pay the same proportional premium.

And there is an extremely important distinction between factory Rolex diamond components and aftermarket diamond modifications.

This deserves its own article.