1.23 Oval Cut Diamond Engagement Ring 14k Yellow Gold.  This gorgeous solitaire engagement ring features a 1.23 carat natural diamond in 14k yellow gold. The diamond is oval cut, with elongated, unique facets that create a sparkling fire and brilliance when catching light. The GIA-certified diamond is prong set and has an open work gallery mounting in 14k yellow gold. Fashionable and timeless, this engagement ring reaches 6.93mm above the finger and weighs a total of 3.0 grams.