(IDEX Online) - Pandora is urging women to buy their own lab grown diamonds, in a campaign fronted by "champions of self-empowerment" - Rosario Dawson and Ashley Graham.The Danish jeweler has ditched all mined diamonds and pledged to use only recycled silver and gold.Dawson, 43, (pictured) the US actress best known for the Sin City movies, and Ashley Graham, 34, the US supermodel, entrepreneur and TV presenter, are promoting the new Diamonds by Pandora collection in the U.S. and Canada."Rather than waiting for traditional gifting moments or for someone else to purchase a diamond, Pandora encourages women to instead celebrate their own milestones of modern womanhood: such as graduating with a master's degree, getting a promotion at work, or moving to a new city," says Pandora.The 33-piece lab grown collection is priced $300 to $1,950.