On October 25th, 2008 Helzberg was having a jewelry show and I purchased a 2 K princess cut diamond for $10, 000 and a mounting for $3, 000. The next day we noticed a spot in the center of the diamond and returned to the store where they showed us 2 yellow diamonds that we could trade it for. My choice was clear with carbon in it or yellow with no flaws. I was told at the time of purchase I could upgrade at any time and receive full credit for the ring so we decided we would just upgrade next year once this ring was paid off. 90 day... read full review »