![]() Often very small, white or transparent in color, needles are not usually visible to the naked eye, unless they are of a distinctive color. Needles are crystals that look like tiny rods at 10X. Needle - Extreme pressure applied to the diamond as it is forming causes the crystals to appear as a long, thin needle shape rather than the more common circular shape. Crystal inclusions, in an eye clean diamonds, are usually too small to pose a serious durability risk to the stone. Other notable crystal colors would be: black - Carbon or Graphite red - Garnets and very rarely green - bits of Peridot entrapped in the Diamond. If they are not too big, the white crystals will not be visible to the naked eye. ![]() White crystal inclusions are usually a tiny diamond crystal trapped inside of the diamond. Colors variations depend on the specific mineral that is trapped within the diamond. Any laser drilling of the diamond is irreversible, thus must be disclosed by the seller, as a laser drilling severely affects the price of the diamond.Ĭrystal - A crystal inclusions can come in various shapes and colors. If, however, the drill hole on the surface can not be made out easily, instead of the “Laser Drill Hole” mark you will find in the comments section note “Internal laser drilling is present”. ![]() Laser Drill Hole - A laser drilled holes are permanent in their nature and will thus be graded by GIA.
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