- 5 x 5 mm Round
 - 0.50 carats
 - AA Quality
 - eye-clean
 - Origin: Switzerland
 
A classic look for an engagement ring, this design features a 5mm round lab ruby with .40 carats of diamonds. Two brilliant princess cut diamonds surround the intense red lab ruby for a look that will never get old. Lab Ruby is known as the gem of passion and desire and is the birthstone for the month of July.