Yes. All GEMNAT diamond are set with 100% natural, ethically sourced diamonds. Each stone is meticulously selected by our gemologists to ensure exceptional sparkle, consistency, and clarity. Diamonds that meet certification criteria are evaluated according to the 4Cs (Cut, Color, Clarity, Carat) by internationally recognized laboratories such as GIA, IGI, or HRD. Every GEMNAT diamond earrings is accompanied by a certificate of authenticity, verifying both the natural origin of the diamonds and the purity of the 18k gold.