Exactly true. Diamonds are worthless. Mined by African through sweat and blood, exploited. It is overpriced when in fact it is really worthless. Gold, and Silver are natural elements, they are in the periodic table but this Diamond it is just made up of Carbon.
A ring maybe a symbol of love but love is love and a ring is a material manifestation of that love. You love the person not the ring haha. Only Smeagol/gollum loves ring.