VCA Emerald Cut Diamond Engagement Ring in Yellow GoldVCA Emerald Cut Diamond Engagement Ring in Yellow Gold. This modern Van Cleef and Arpels engagement ring features a 1. 92 carat emerald cut diamond. The center diamond is of impeccable quality and it really shows in this low to the finger mounting. Four corner prongs hold the diamond and allow for maximum brilliance while a pear cut diamond accent on each side. Finished in 18k yellow gold, this VCA ring is great for everyday wear and is a timeless