Laboratory-Grown Diamond Reports & Services
Describes specifications for color and color distribution, and an assessment of growth type and post-growth treatment. The laboratory-grown diamond’s girdle is laser inscribed with the term "Laboratory-Grown" and its GIA report number. For loose, laboratory-grown colored diamonds, weighing 0.15 carats or more. Digital-only report. View Sample ...
Laboratory-Grown Diamonds: An Update on Identification and …
2018年8月6日 · GIA maintains a comprehensive database of all types of gemstones submitted to the laboratory, including natural, treated, and laboratory-grown diamonds, both fancy-color and colorless. This resource provides a unique opportunity to review historical data and analyze submission trends over time.
Laboratory-Grown Diamond Report (LGDR) by GIA
How Does GIA Identify Laboratory-Grown Diamonds? When a diamond is submitted to GIA, we examine the stone’s inclusions, graining, reactions to UV light and other characteristics to determine whether the stone is natural or laboratory-grown.
Simulants, Moissanite and Lab-Grown Diamonds - GIA 4Cs
We created the GIA iD100 ®, a desktop instrument to help jewelers distinguish natural diamonds from laboratory-grown diamonds, diamond simulants and some treated diamonds in under two seconds. Laboratory-grown diamonds can also be sent to …
Does GIA grade laboratory-grown diamonds?
Yes. GIA has been grading laboratory-grown diamonds since 2007. Beginning July 1, 2019, GIA Laboratory-Grown Diamond Reports and identification reports no longer use the term “synthetic.” The GIA Laboratory-Grown Diamond Report includes the standard GIA color, clarity and cut grading scales for reference purposes.
Laboratory-Grown Diamond Report (LGDR) by GIA
Learn how laboratory-grown diamonds were created, their social impact, and how to tell them apart from natural diamonds. Also learn about GIA’s Laboratory-Grown Diamond Report and how GIA scientists grade laboratory-grown diamonds.
Types of GIA Reports
GIA Laboratory-Grown Diamond Report. Digital-only report for loose D-to-Z laboratory-grown diamonds over 0.15 carats. Includes full 4Cs assessment and plotted clarity diagram.
Laboratory-Grown Diamond Reports & Services - Gemological …
Laboratory-Grown Diamond Report. Full 4Cs assessment with a plotted clarity diagram. The laboratory-grown diamond’s girdle is laser inscribed with the term "Laboratory-Grown" and its GIA report number. For loose, laboratory-grown D-to-Z color diamonds, weighing 0.15 carats or more. Digital-only report. View Sample Report
Laboratory-Grown Diamond Reports & Services Details
The GIA Laboratory-Grown Colored Diamond Report includes full 4Cs assessment with a plotted clarity diagram, and an assessment of growth type and post-growth treatment. Color and clarity specifications are described on the same scale as the GIA Colored Diamond Grading Report for natural diamonds, but does not correlate to nature’s continuum ...
GIA Diamond Grading | GIA 4Cs
The GIA Diamond Grading Report. This report uses the universally accepted GIA standards to determine a natural diamond’s shape, color, clarity, cut and carat weight – as well as proportions, finish and treatments. It also includes a plotted diagram which maps your diamond, identifying its unique characteristics. The GIA Diamond Origin Report.