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ORRO Certified Lab Grown Diamonds
ORRO is committed to providing customers with top-quality lab-grown diamonds and ensuring their authenticity. Each ORRO Certified Lab Grown Diamond is accompanied by a trademark metal certificate card, a credit card-sized certificate that is the first of its kind in the world. This certificate is essential in verifying the value and authenticity of your diamond, and it includes a unique report number and laser inscription that guarantees you receive the exact diamond you selected. Moreover, it provides crucial details about the diamond, such as its cut, carat, clarity, and color, giving you a comprehensive understanding of the diamond's quality.
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We take the security of our certificates seriously, which is why we incorporate special security features and a unique QR code on each certificate. This QR code enables you to easily and quickly verify the certificate's authenticity online. We only certify diamonds larger than 0.50cts to ensure that each ORRO Certified Lab Grown Diamond meets our high standards of excellence.
Dual-Certified ORRO Lab Grown Diamonds for Extra Assurance
ORRO offers an additional option for extra assurance with selected ORRO Certified Lab Grown Diamonds. We provide a dual-certification option that includes a second diamond certificate issued by an independent diamond grading laboratory such as the Gemmology Institute of America (GIA), International Gemmology Institute (IGI), or HRD Antwerp.
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ORRO Certified Lab Grown Diamond Jewelry - A Comprehensive Certificate
In the case of rings and jewelry with readily set diamonds or jewelry designs that have multiple diamonds of different cuts and sizes, we issue an ORRO Certified Lab Grown Diamond Jewelry certificate. This certificate is also a trademark metal card and is the first of its kind in the world. It includes a summary of the total carat weight of diamonds used and the range of colors, cut, and clarity of the diamonds set on the jewelry piece. Additionally, the certificate has a unique report number, security feathers, and a unique QR code that allows you to verify the certificate's authenticity by accessing an online report. The certificate also has a description that includes the design code of the jewelry piece.
What is lab-grown diamond certification?
A Lab-grown diamond certification or report is a document that details the characteristics of a lab-grown diamond, prepared by a diamond expert. The certification includes information on the diamond's 4C's (Carat, Color, Cut, and Clarity) as well as dimensions and laser inscriptions.
Carat
Carat weight is the weight of the diamond, and it plays a significant role in determining the diamond's value. Color is rated on a scale from D to Z, with D being completely colorless and Z indicating a strong yellow hue. Lab-grown diamonds can vary in color grades based on the quality of the crystal seed and other factors during the crystallization process.
Cut
Cut is the most crucial factor in assessing a diamond's quality, with a well-cut diamond exhibiting the most fire and brilliance. A diamond's cut quality is graded on a scale from Excellent to Poor, based on the precision of symmetry, angles, and proportions.
Clarity
Clarity refers to the presence of inclusions or blemishes within the diamond, which is examined under a 10x magnification. Clarity for lab-grown diamonds is graded on a scale ranging from Flawless (FL) to Included (I), with the lower clarity grades indicating more imperfections in the diamond.

The certificate or report may also include a description of the lab-grown diamond's origin, shape, and faceting style type. Overall, lab-grown diamond certification provides customers with an objective evaluation of a diamond's quality and helps them make informed purchasing decisions.