Round Brilliant Solitaire Engagement Ring in White GoldRound Brilliant Solitaire Engagement Ring in White Gold. This stunning modern engagement ring features a . 80 carat Round Brilliant Cut diamond at its center and is accented by . 075 carats of smaller diamonds. The ring is finished in 18 karat white gold which makes its prominent crown basket nearly disappear into the bright white center stone. The shoulders feature a clean tapered groove holding the accent stones which graduate in size from the