Our diamond simulants are created in a laboratory under ideal conditions. Thus there are no impurities like trace minerals or black spots such as those in real diamonds. They are flawless internally and externally, hence they are able to exhibit more brilliance than a real diamond. And our rings will not turn your fingers green as others will. OUR GUARANTEE We are confident that we offer some of the best products on the market. Therefore, we provide a 30-day guarantee. We will make every effort to ensure that you are completely satisfied with your purchase. Online shopping can seem daunting. We want you to know that there is absolutely zero risk of purchasing something. We won't make it difficult if you don't love it. We offer email and ticket support 24 hours a day, 7 days a week. If you require assistance, please contact us. Please contact customer service if you have any problems with your purchase.