Refers to a diamond or gemstone’s resistance to scratching. A diamond is the hardest mineral known to man.
Hearts and Arrows
A general term used when referring to diamonds with a precise and complete pattern of hearts and arrows achieved by perfect proportions and symmetry in a diamond’s cut. When viewing a diamond from the top, it shows an arrows pattern and when viewed from the bottom you’ll see a series of hearts. A true Hearts and Arrows diamond must have all patterns visible at a single glance; this indicates the diamond has optically perfect symmetrical.
A type of fancy cut diamond that resembles the shape of a heart.