De Beers Forevermark Engagement and Commitment Diamond Jewelry Collection The Forevermark Engagement & Commitment collection celebrates love, in all its forms, and the honest vows a couple makes on their unique journey to forever. Real, enduring love is found in the tender, everyday moments between a couple. True vows are the beautiful expression of that commitment to one another – through tough times and good, in grand gestures and quiet acts of kindness – reflecting the reality of their love.