Tara is at the mall and sees a beautiful necklace with a diamond pendent however she recalls reading that some diamonds are mined by enslaved people while other are certified to be mined in safe ethical ways she decides not to buy the necklace because the seller cannot tell her the diamonds origin her refusal to make the purchase is an example of which of the following ethical consumerism
knowledgeable consumerism
conspicuous consumerism
sustainable consumerism