GIA Certified Diamonds

GIA certified diamonds are gemstones that havethe rating must be based on the 10x
been through a rigorous inspection to determinemagnification.
the quality and worth of the gemstone.There is aWhen an examiner is rating a diamond's clarity,
specific process that is followed when thethey are looking for flaws and/or imperfections in
diamond clarity rating occurs, this article will brieflythe stone. If the diamond has fewer flaws, then
discuss the GIA rating process.the gemstone's value increases. And on the other
When a diamond is rated according to the GIAhand, if there are many flaws in the diamond then
clarity standards, it is first cleaned and then thethe value will decrease.
gemstone is picked up by a set of tweezers. TheThe first view of the diamond is always through
gemstone is picked up by the girdle of the stonethe top of the diamond, the cutlet area of the
to give the inspector the best view.gemstone. Because the diamond is held by the
The diamond is placed under magnification, and itgirdle, the examiner has the ability to see all of
is illuminated with darkfield lighting. This specificthe aspects of the inner stone.
lighting helps to show diamond characteristics thatThen, the diamond is set down and the examiner
cannot be seen under regular overhead light.picks up the stone again by the ends (table to
All GIA certified diamonds are rated under thecutlet). The examiner looks through each facet of
10x magnification. During the rating process, thethe stone, searching for any imperfections or
examiner may zoom in to get a better look, butflaws that may be present.