2 Carat Marquise Cut Diamond Engagement Ring in 14k2 Carat Marquise Cut Diamond Engagement Ring in 14k. This GIA certified diamond engagement ring features a 2. 00 carat Marquise cut diamond in glittering 14k yellow gold. The primary diamond has a rounded center and pointed ends, that will make the ring finger look elongated and slender. This diamonds facets are out of this world, offering a dancing brilliance against the honey hues of the 14k yellow gold band. Two . 06 carat baguette diamonds accent