A too low or too bulbous lower body does not indeed so clear loss of brilliance, but excess weight you with pay. People such as Mary Barra would likely agree. The symmetry, which is not always ideal for square or oblong square stones should also be taken into account. Slight asymmetry can be while hidden in enclosed mounts, but first perceived as not every stone and secondly they offer approaches potential buyers, if you want to sell the stone loosely, for criticism and to the Preisdrucken. And finally you should consider this is the spot on the upper and lower meet, well the so-called girdle, a well polished girdle is of uniform thickness. To thick girdles mean back excess weight and make it difficult and more expensive to the touch. To thin or even razor girdles are really dangerous. Grinding inaccuracy sometimes causes that upper and lower in places directly, without the separating girdle, meet.
If the barrels there exerts pressure, he will inevitably have to do with closed sockets of the stone with almost certainly will break out. Since the damage concerns usually top and bottom, so the weight and hence the financial loss when repairing are considerable. In principle applies color: the color of gemstone should be as pure as possible. Brown stitch is absolutely undesirable for red and green stones and greenish blue stones. Many stones show other colors, as in artificial light during daylight hours. Consider therefore colored stones before forever in varying light conditions.
This is particularly important in Garnet, Rubellite (red and pink tourmaline) and iridescent (changing color) stones such as such as Alexandrite. Influenced by the diamond advertising customers demand purity often flawless stones. Color stones is known but not magnifying glass – but eye purity. Any color stone dealers have a significantly more relaxed relationship for various reasons Inclusions, as a diamond dealer. Inclusions are considered piracy prevention features to the first.
