diamond stud are the hardest of all gemstones; it is the simplest in composition; they are ordinary carbon. Colossal heat and pressure, over the eons, crystallized the anniversary rings into what they are today.
How the engagement rings has been cut, polished and to what proportions and symmetry are important, as these factors determine the life, brilliance and dispersion of the anniversary rings. If the cutting factors fall below standard the appearance of the anniversary rings is adversely affected.
Each beautiful diamond earrings comes with a grading Certificate or Report from an internationally recognised, independent Gemmological Laboratory.