Which is more high-priced yellow sapphire or yellow diamond?

Lindos diamonds and canary yellow or yellow sapphire.

As Largely, yellow diamonds will be more overpriced. However, an irradiated yellow diamond can price less than a spontaneous yellow sapphire, sapphire is whether euphoric attribute. Irradiated it means to have a habitual diamond, and chemically treated to swop redden. It is still a "actual" diamonds, the feel ashamed has been untouched in a laboratory

Source: Sapphire Diamond | Bonnies Cove Jewelry