Gia Lab Grown Diamonds

Formerly known as synthetic diamond reports the reports have been re dubbed laboratory grown diamond reports a bow to the federal trade commission.

Gia lab grown diamonds.

For added disclosure and identification the laboratory grown diamond s girdle is laser inscribed with its report number and a statement that the stone is laboratory grown and the report itself looks distinctly different from reports for natural diamonds. Engage in webinars on the most diverse and pressing issues in gemology today including gemstone origin laboratory grown stones and new discoveries in field gemology. All the diamonds will be inscribed as lab grown while it s changed its policy for lab grown diamonds the gia will not issue separate reports for lab grown colored stones though will continue to issue identification reports says executive vice president and chief laboratory and research officer tom moses. The gia which is the gold standard lab for real diamonds doesn t give color or clarity grades for lab created diamonds.

Their growth structure and atomic level defects allowing them to be readily separated from natural diamonds by a well equipped laboratory such as gia. Because natural diamonds and man made diamonds have some of the same physical and other properties even a skilled jeweler or trained. Gia has studied lab grown or manmade diamonds extensively over the past 30 years and we know a great deal about the methods used to produce them and how they can be recognized. Gia has offered a report service for laboratory grown diamonds since 2007.

Instead they give a range such as h j for color. While gem quality diamonds were produced in a laboratory for the first time in 1971 it was not until the mid 2010s that colorless laboratory grown diamonds entered the gem and jewelry market in commercial quantities. In a long awaited decision gemological institute of america gia has opted to change its reports for lab grown diamonds by jettisoning the word synthetic though it will still use a different grade scale than it does for naturals. In march 2019 gia made changes to how it referred to laboratory grown diamonds in its education course materials and diamond grading reports to align with revised federal trade commission guidance.

While synthetic diamonds are produced in factories their chemical and physical properties correspond very closely to that of natural diamonds. Man made diamonds suitable for industrial use were first produced in a laboratory in the 1950s.