1 Carat Antique Diamond Engagement Ring in 14k Yellow Gold1 Carat Antique Diamond Engagement Ring in 14k Yellow Gold. This Victorian engagement ring features a GIA certified 1. 04 carat Old European cut diamond set in white gold with a 14 karat yellow gold band. The center stone is set using a micro prong crimped edge bezel which resembles milgrain at a glance. The split shoulders feature two strings of small round diamonds that are bead set and floating slightly above the band. This ring has aged gracefully