Grading | National Jeweler

About Us//Contact Us//Follow Us: Subscribe

Delivering the news jewelers need since 1906

Grading

The new LGDR by GIA grading reports are for lab-grown diamonds and utilize the same color and clarity grading scales the lab applies to natural stones. There are four different reports in the LGDR by GIA family, and they’re only available digitally. (Photo credit: GIA)

GIA’s New Reports for Lab-Grown Diamonds Are Out

They include the same color and clarity terminology the lab uses for natural diamonds, a change announced earlier this year.

Latest News

October 26, 2020

The online course will cover the history of lab-grown diamonds, growth identification, detection, and more.

October 15, 2020

They include the same color and clarity terminology the lab uses for natural diamonds, a change announced earlier this year.

October 15, 2020

Authors Dusan Simic and Branko Deljanin also will be hosting webinars on lab-grown diamonds this fall.

October 7, 2020

The lab is partnering with Swiss research and development center CSEM to automate the determination of gem origin and authenticity.

October 5, 2020

The Shenzhen take-in window has opened just months after a new branch in Shanghai.

September 24, 2020

The updated layout includes enhanced security features and will debut in October.

September 4, 2020

Participants of next week’s two-day event will learn how to use its 12-step process for evaluating jewelry quality.

August 27, 2020

It’s an expansion of the service GIA launched in 2016 to address concerns about lab-grown and treated diamonds being mixed into parcels of melee.

Start
Prev
1
2
3
4
5
6
7
8
9
10
Next
End

Brought To You By

From the 10X Blog

Ashley Davis

Thelma West Creates the Diamond Rings Dreams Are Made Of

October 21, 2020

By Ashley Davis

Brecken Branstrator

5 Things to Know About … Red Beryl

September 15, 2020

By Brecken Branstrator

Lenore Fedow

GiGi Ferranti’s New Collection Is Full of ‘Pasta’bilities

October 8, 2020

By Lenore Fedow

Michelle Graff

A DeVotion to Voting, Expressed Via Jewelry

October 23, 2020

By Michelle Graff

The JA New York Show

August 8-10, 2021
Javits Convention Center
New York, NY

REGISTER

Fine Jewelry Industry News

Since 1906, National Jeweler has been the must-read news source for smart jewelry professionals--jewelry retailers, designers, buyers, manufacturers, and suppliers. From market analysis to emerging jewelry trends, we cover the important industry topics vital to the everyday success of jewelry professionals worldwide. National Jeweler delivers the most urgent jewelry news necessary for running your day-to-day jewelry business here, and via our daily e-newsletter, website and other specialty publications, such as "The State of the Majors." National Jeweler is published by Jewelers of America, the leading nonprofit jewelry association in the United States.