To effectively make your decision on which diamond to purchase, you should first understand a few terms and principles.  These are outlined in the explanation of the 4C's.  You can also look at our Frequently Asked Questions page for information about The Diamond Source USA and our policies.   Using that knowledge, decide which diamond shape and size you prefer, and which qualities you feel have the highest priority for you.  Clarity? Color? Size (carat weight)?  Cut?     Please remember that the diamonds that best retain their value are those of higher quality.   The cutting quality of a diamond determines its brilliance and dispersion ("fire").  The Diamond Source USA carries only quality diamonds cut to strict standards with all Round Brilliants either Premium Cut or Ideal Cut.

    Following are some common diamond shapes:

    A certificate from a world recognized grading laboratory is provided with all diamonds one-half carat and above from The Diamond Source USA.

    The GIA (Gemological Institute of America) offers diamond certificates in which the 4 C's are analyzed and certified. These certificates are used widely for insurance purposes and for verification of authenticity.

    When you have chosen the diamond you desire, please proceed to our price list section.