GIA to revise laboratory-grown diamond providers from October

The Gemological Institute of America (GIA) will introduce up to date analysis providers for D-to-Z laboratory-grown diamonds from 1 October, changing its current system.

The brand new service, referred to as the Laboratory-Grown Diamond High quality Evaluation, will use descriptive phrases reasonably than the grading nomenclature developed for pure diamonds. 

Stones shall be described as both “Premium” or “Normal” primarily based on their total readability, color and minimize. 

Diamonds that don’t meet the minimal standards for “Normal” won’t obtain an evaluation.

Moreover, diamonds labeled as “Premium” should obtain the very best readability, color and minimize grades, together with very, very barely included readability, D color and glorious minimize (for spherical brilliants). 

Stones assembly barely decrease thresholds, reminiscent of E-to-J color and superb minimize or polish, will fall into the “Normal” class.

The price for the brand new service shall be $15 (£11.16) per carat, with a minimal of $15 (£11.16). Stones not assembly evaluation standards shall be topic to a $5 (£3.72) analysis price. 

The minimal measurement for submissions is 0.15 carats. Every assessed diamond shall be laser inscribed “Laboratory-Grown” with its high quality evaluation quantity, and accompanied by a printed report.

Pritesh Patel, GIA president and chief govt, stated: “Utilizing descriptive phrases for the standard of laboratory-grown diamonds is suitable as most fall into a really slim vary of color and readability. Due to that, GIA will now not use the nomenclature created for pure diamonds to explain what’s a manufactured product.”