- 5 x 5 mm Square
 - 0.70 carats
 - AA Quality
 - eye-clean
 - Origin: Switzerland
 
Express your love with this intense red lab ruby engagement ring. A 5mm princess-cut lab ruby is nestled in a twist weave design adorned with .27 carats of diamonds. Lab Ruby is known as the gem of passion and desire and is the birthstone for the month of July.