Hi, long time lurker, first time poster here. I've finally bitten the bullet and decided to have the famous LOGR legacy cushion milgrain ring made. The issue is, the blue zircon I've chosen as my centre cushion has dimensions that are 7.9x7.6mm. So do I get the 7mm LOGR setting or the 8mm setting? And will it fit correctly? I plan on getting it with prongs and having my own jeweler set it but I need to know what size setting to buy first. Thanks in advance and if you have a version of this ring and would like to post your shots just so I can get excited, feel free!