1 Carat Pear Diamond Solitaire Engagement Ring 14k.  This engagement ring features a 1.05 carat pear-shaped center stone, with .22 carats of micro-prong set diamonds on the front of the band. This ring sets itself apart from your standard solitaire ring, thanks to the sparkling diamond accents. The 14 karat white gold mounting is a lovely complement to the brilliant diamonds, creating a classic yet unique look.