The worth is determined by three factors. First, its size, second, its purity. The third is, how hard was it to be found. Mister Odie explored, fully. Until you have a microscope, no one could see it.
People use such fragments as dust on drills, but even that is priced well over hundreds of dollars.
Matt related, frankly. Love is a diamond of the purest quality, and the rarest find. Each of you has that diamond all your life. You half your gem when you marry. Then you quarter it with your children.