: Companies like Worthy or Mondiamo use auction-based platforms or direct-purchase models. They often provide expert grading and reach a wider pool of professional diamond dealers to ensure competitive offers.
: Buyers evaluate the stone based on its Cut, Color, Clarity, and Carat weight . Modern buyers are particularly selective about "Cut," as older stones may have outdated proportions that require costly re-cutting to meet today's standards. Alternative Selling Avenues who buys used diamonds
: Retail prices include branding, labor, and marketing. A buyer of a used diamond is only paying for the stone itself at a wholesale or "melt" value. : Companies like Worthy or Mondiamo use auction-based