Agreed. Mine only has images on file because I sent the entire packet of information with every minute detail regarding my stone. When I reset the stone, the jeweler did update the appraisal because the setting was branded and that had an impact on the value, especially since the designer made it himself and had a letter verifying that (don't get me started.) However, the diamond is the driver in the value, at least in my case, and since it's impossible without a custom cut to replace this specific stone, that's where I have to be on top of appraisals. You should be getting new ones every 3ish years anyway, and if you haven't had one since 2010, do one now because diamonds had a significant valuation uptick in early 2010. My carrier does automatic increases each year for inflation and market changes so I don't have to do a lot with that other than confirm valuation every few years.