Laboratory Grown Diamond SGL Report
Every diamond is tested by DiamondSure™ whether it is natural. If it is found to be laboratory grown, under disclosed conditions, we will issue a Laboratory Grown Diamond Grading Report, with this clear wording on the report. The same nomenclature as in a Natural Diamond Grading Report is used, with a detailed description of the 4Cs.Laboratory Grown diamonds, also referred to as "man-made," “created” or “synthetic” diamonds, are diamonds manufactured in a laboratory, as opposed to natural diamonds, which formed within the Earth. The acute shortage of industrial-quality diamonds, used in a variety of mechanical applications, has been improved in part by the evolution of laboratory grown diamonds. These have been manufactured for over half a century. However, in recent years technological advancements have made it possible to produce gem-quality laboratory grown diamonds of commercially significant size and weight.
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SGL Labs diamond evaluation process is recognized throughout the industry and the world for its absolute precision. Diamonds are examined by four different gemologists, using the most advanced technology available.
It is essential for each diamond proprietor to know the credentials of their diamond in order to obtain confidence and assurance of the integrity of what they have acquired. An SGL Diamond or Gemstone Certificate is a statement issued by one of our independent gemological laboratories documenting the characteristics of the stone as determined by our experienced diamond graders at the time of evaluation.
Hearts and Arrows Diamonds are precision cut variations of the traditional 57 faceted round brilliant cut. They are cut to “ideal proportions” with superior optical symmetry and a specific faceting pattern. When all these factors are in harmony the result is a repeatable, near perfect pattern of eight symmetrical arrows in the face up position and eight symmetrical hearts when viewed in the table down position.
As you research diamonds, you may have seen information about lab created diamonds versus naturally formed diamonds. Some people may refer to lab created diamonds as “fake diamonds”, imitations or simulants, but this is incorrect. Lab created diamonds share the same or similar chemical and physical properties as a natural diamond produced by the geological processes of Mother Nature. However, because of the contrasting conditions of natural and lab grown formation, lab grown diamonds display several features which allow them to be gemologically distinguished from natural diamonds. On the other hand, cubic zirconia and moissanite—which can look like diamonds—have very different chemical and physical properties and are known as simulant diamonds.