Natural Gray Diamond Marble 67.41 ct Polished

This is a 67.41-carat natural gray diamond in polished form, offered as a loose stone. The stone is untreated, showing no evidence of irradiation, coating, or other enhancement typical of gray diamonds in the market. Gray coloration in diamonds typically results from the presence of hydrogen or nitrogen-related defects within the crystal lattice. The stone is sourced through Langerman Diamonds and is suitable for setting or collection purposes.