.90 GIA Oval Cut Diamond Engagement Ring in 14k White Gold. This dreamy solitaire engagement ring features a .90 carat GIA-certified oval cut diamond finished in 14 karat white gold. Set in four double prongs, the center diamond is cut for brilliance and fire. The oval cut facets showcase a beautiful variety of light play that reflect well against the white gold setting. From the profile, the diamond rests in a classic basket mounting finished on a comfort fit 14K white gold band.