On a recent diamond buying trip a 1ct round diamond was selected fresh out of production. Our DTC Sightholder checks and grades a diamond at least three times during the cutting process. They had agreed on G colour and SI2 clarity. We selected the diamond as we liked the SI2 and agreed with the colour grading as G.
We then submitted the diamond to a very well known international diamond grading laboratory. We received a phone call about three weeks later with the results and it had been graded E colour and SI1 clarity. We declined the diamond as we would not want a diamond that is so far out to be in stock. The difference in quality is huge and equates to a lot of money.
Someone will end up purchasing this diamond on the market as an E SI1 when the true quality is G SI2. This is the danger when you buy a diamond on a grading report basis only and do not view the diamond or get a second opinion. Always view the actual diamond before you purchase.
Let the buyer beware.
Regards,
Diamonds.co.nz