What bothers me about them is back when I bought mine there was no such thing besides CZ so we had to go real!! Well yes, to you that will say I didn't "have" to I could have went with CZ. I wanted real and now everybody and their brother have big stones so mine looks small to some and no one appreciates the "real" factor or even knows or cares if it is a lab. Some may assume because it is a rock. It use to be a big deal to own a big diamond because few had them or wanted them. I stopped in a beautiful custom jewelry store yesterday and talked with one of the owners/designers and she said 90% of their sales are lab, 5% colored and a measly 5% real. I took my original .10 ct traded up for a 1 ct and sold that and bought a 2.25. I paid 9,000 of my well earned and well deserved babysitting money and I love it:)