- 3-4 carat princess-cut diamond modern semi-eternity band for ladiesUS$ 1,369.00Total diamond weight .75ctBluma 14K White Gold Halo Pear-Shaped Lab-Grown Diamond Accented Engagement RingUS$ 1,350.00Total diamond weight .75ctEmma 14K Gold 2-Tone Triangle and Vintage Milgrain .50CT Center Lab Grown Diamond RingUS$ 1,463.00Total diamond weight .83 ct