Vintage 1.00 Carat European Diamond Filigree Engagement RingVintage 1. 00 Carat European Diamond Filigree Engagement Ring. This vintage engagement ring features 1. 62 carats of Old European cut diamonds set in Platinum. The primary stone is 1. 08 carats and is set with four flat prongs that reach over the pave section surrounding it. Below the prominent diamond section are shoulders with chevron engravings into a polished platinum shank. This ring sits high above the finger and succeeds in displaying an