Old European Diamond Three Stone Engagement RingOld European Diamond Three Stone Engagement Ring. This modern, three stone ring has a beautiful vintage feel as it set with three (3) old European cut diamonds totaling 2. 12 carats. Set in platinum, this ring combines bezel settings around the center stones with vintage milgrain texture and scroll engraving down the shoulders of the shank. Along the profile are delicate accent diamonds that are prong set from shoulder to shoulder underneath the