Vintage Retro 3 Stone Diamond Engagement Ring in 14kVintage Retro 3 Stone Diamond Engagement Ring in 14k. This vintage three stone ring comes with three (3) Old European Cut diamonds set in 14 karat white gold, above a band of 14 karat yellow gold. The center stone is a . 52 carat Old European Cut diamond and it is flanked on both sides by . 25 carat accent stones. The ring has a lovely curved profile with plenty of open space on the sides letting light into each of the stones. This is a special ring