- Bénite Platinum Lab Grown Diamond Solitaire Art Deco Engagement Ring$3,500.00Total diamond weight 1.43ctNina .70CT Canadien Diamond Classique Solitaire Engagement Ring 14K White Fold For Women$4,500.00Total diamond weight .70ct14K White Gold .06ct Each Princess-Cut Diamond Channel Eternity Band 1.76 CTS T.W.$4,000.00Total diamond weight 1.76cts