A higher-end Rolex knockoff is indistinguishable from the real thing to the naked eye of a casual observer, and yet people still buy the real thing for 10 times the price.
Brands will make themselves known as the more expensive option. People don’t give cubic zirconia engagement rings as is because they’ll look cheap if they’re honest and be outed as a cheap fraud if it’s found out that it’s not a diamond when they pretended it was.
De Beers will find a way to make aspects of the jewellery other than the gem identifiably theirs. Then when you’re caught pretending a $100 lab diamond ring is a $6,000 natural diamond De fBeers ring you’ll be in just as much trouble as if you’ve given them a cubic zirconia.
Brands will make themselves known as the more expensive option. People don’t give cubic zirconia engagement rings as is because they’ll look cheap if they’re honest and be outed as a cheap fraud if it’s found out that it’s not a diamond when they pretended it was.
De Beers will find a way to make aspects of the jewellery other than the gem identifiably theirs. Then when you’re caught pretending a $100 lab diamond ring is a $6,000 natural diamond De fBeers ring you’ll be in just as much trouble as if you’ve given them a cubic zirconia.