Many  diamond labs such as the Gemological Institute of America (G.I.A.), amongst others, offer grading standards which help determine the overall value and rarity of a diamond in the form of certificates. New York Jewelers loves to boast about how many certified diamonds we have in inventory at any given time...

 

New York Jewelers   -   11 N. Wabash Ave., Chicago, IL 60602   -   (312) 855-4999