- Bonheur 14K Yellow Gold .50CT Lab Grown Pear Shaped Diamond Halo Engagement Ring For WomenUS$ 975.00Total diamond weight .77ctSonate 14K Gold 3-Tone .50CT Diamond Solitaire Triple Pave Diamond Ring For WomenUS$ 2,250.00Total diamond weight .88ctEstonia 10K Rose Gold Black Diamond Marquise Shaped Shoulder Engagement RingUS$ 713.00Total diamond weight .69ct