Stellina D’oro uses clarity-enhanced diamonds, offering a lifetime guarantee with every diamond purchased. Clarity-enhanced diamonds are natural diamonds subjected to a treatment process that improves the overall clarity of the diamond. This treatment process does not change or alter the color of the diamond in any way.
Stellina D’oro offers a lifetime guarantee on its clarity-enhanced diamonds that the treatment will not fail and or come out of the diamond. Diamonds subjected to extreme temperatures are the exception, as temperatures in excess of 400 degrees Celsius affect the treatment.
Consumers or purchasers who intend to have their diamond products cleaned, re-sized, or augmented in any capacity must alert the jeweler that the product has been treated and is a clarity-enhanced diamond. This ensures that the jeweler handles the diamond properly.
Should the treatment come out of the stone for any reason, Stellina D’oro will re-treat the piece to clarity-enhanced standards without cost to the client. The diamond returned must include the certification, proper shipping, and appropriate shipping insurance. The package will be shipped back to the client when completed, free of charge.
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Full Lifetime Warranty 
