- Memphis 14K Gold 2-Tone Lab Grown Diamond Center Three-stone Double Half-Eternity Anniversary Engagement Ring For Women$3,800.00Total diamond weight 1.27ctsAurora 14K Gold 2-Tone Wide Three-Stone Double Half-Eternity Engagement Ring$3,900.00Total diamond weight 1.21ctExquisite bleu Ceylon sapphire and diamond halo ring for ladies$3,900.00Total diamond weight .48ct