Hi! I am in the process of upgrading my engagement ring and want to know where I should start researching diamonds specs?!? I am in live with the Tiffany novo ring but I know with that comes a hefty price tag!! I just want a couple websites so I can read up on all the "ideal" specs. I am looking for a 2 ct. Not quite sure what style yet but most likely something like the novo. I currently have a 1 ct round. Also is eBay a smart purchase?!? I see some amazing Tiffany's ring on eBay! I am so tempted to buy on eBay bc you get bang for your bucks. My husband thinks it's silly and just want to go to Tiffany to buy it. I am hesitant because it's over the top and you are definitely paying a premium for their service. Helllllp!! Anything and any advice is greatly appreciated!! 
