0.1 Carat LAB-Grown Diamond Gold Promissory Ring Model 101 Size:4.25 Is this a real diamond

Is this a real diamond ring

-Engagement Ring:approximately 3+ Carat Total Weight LAB-Grown Diamond D-Colorless

Center Stone:11x7mm Radiant Cut Ethically Lab-Grown Purple Sapphire 4 Carat

M 878-10x8

Teal Sapphire Ethically Lab-Grown Round  7mm VVS1-Clarity

0.1 Carat LAB-Grown Diamond Gold Promissory Ring Model 101 Size:4.25 Is this a real diamondThe default design option features Approximately 0. 15+ CTW LAB Grown Diamond D Colorless, VVS1 Clarity, VG Cut, Ex Polish, VG Symmetry Center Stone (D Colorless) Promissory Ring in 14K White Gold Ring. Model 101 Center stone comes with IGA GIA laboratory certificate to ensure the stone's quality. Also you can fully customize and engrave this ring by clicking the button "Personalize in 3D". Why Buy a Lab Diamond? Lab grown diamonds are superior to