technical

Following the recent launch of IGI’s new science-based Light Performance Reports for round brilliant diamonds John Pollard, Senior Director of Education for IGI, and Garry Holloway, developer of the Ideal-Scope, will speak with Rapaport’s Leah Meirovich about what light performance is, how it can add value beyond the 4Cs, and why light performance reports can be helpful for selling diamonds.

In November, 2023, Diamond Foundry (DF) produced the world’s first 100mm single-crystal diamond wafer. However their end-game has nothing to […]

You could say that minerals and gemstones are in the DNA of artist Naomi Sarna,  who grew up in Montana, […]

Only about 1 in 10,000 natural gem quality diamonds is fancy colored. Within that small percentage, some colors are more common than others, making certain of the colors extraordinarily rare. So, what causes us to see these various colors, and why are some so rare?

JCK attendees are invited to join IGI for two educational sessions, Thursday at 5:00 and Saturday at 10:00, at the 2023 JCK Show in Las Vegas.

The IGI GemBlog has improved its position among thousands of blogs and websites, ranked by traffic, social media followers, domain authority & freshness according to Feedspot, the internet’s largest human-curated database of bloggers.

Since the 15th century the diamond ring has been the celebrated symbol of faithfulness, love and commitment. Starting in 1975, […]

As lab grown diamonds gain popularity consumers have questions about the “post-growth treatment” comment seen on many IGI grading reports. Post-growth treatments are commonly used to reduce, eliminate or change the diamond’s color-appearance. Logically, people want to know “are the treatments permanent?”

There are two sophisticated ways of producing lab-grown diamonds. One process assembles the diamond in vertical layers and the other uses a metal catalyst to dissolve carbon. These different approaches produce inclusions which differ from those seen in natural diamonds.

The IGI GemBlog has earned a top position among thousands of blogs and websites, ranked by traffic, social media followers, domain authority & freshness according to Feedspot, the internet’s largest human-curated database of bloggers.

The spellcaster in L. Frank Baum’s fictional land of Oz may have been a charlatan, but the appropriately named Merlin diamond mine in Australia could potentially restore gem-quality diamond sparkle to that country.

Forbes.com, “Home Page for the World’s Business Leaders,” has published an article describing IGI’s new eLearning Courses on diamonds as “first-rate professional online gemological education, ideally suited and ideally timed for a global audience.”

Representatives from more than 300 independent jewelry stores around the United States gathered at the Convention Center in Minneapolis, Minnesota last weekend for the biannual Retail Jewelers Organization (RJO) Show.

IGI Education Director John Pollard will join Rob Bates, Tanya Nisguretsky and Marty Hurwitz to present “The State of Lab Grown Diamond Industry” this Thursday. Rather than the usual “pro/con” arguments, the panel will address evolving new topics including melee, the implications of patent expirations and paradigm shifts in planning and cutting.

Handheld gemstone testers are commonly used to differentiate between diamond and diamond-simulants like CZ and moissanite. However, as diamond growing technology advances the technology used in those devices becomes more limited.

In 2020 Synova, introduced the “Da Vinci Diamond Factory,” an automated system capable of transforming rough diamonds into fully polished round brilliants. Synova has continued to increase its range and recently made it possible for rough diamond scans, used by many entities, to be incorporated into its planning and execution.

Round brilliant, cushion, and other shapes with depth are historically most popular because they’re both aesthetically pleasing and economically practical. Flat shapes are not as common, which is why we wanted to spotlight these creative, rarely seen shapes.

The world’s largest cut diamond, a 555.55 carat fancy black named has a new owner and a new name. Purchased by Richard Heart, founder of cryptocurrency company HEX, the diamond’s name will change from The Enigma to the HEX.com diamond.

Astronomers call Neptune and Uranus “Ice Giants.” How appropriate, then, that the 7th and 8th planets most distant from our sun may be under a constant deluge of diamond rain?

In November we announced the results of the IGI Expressions™ Jewelry Design Competition. Now we are pleased to feature all seven winning creations together, bringing our coverage of this uplifting event to a close.

In November 2020 industry analyst Edahn Golan correctly predicted a positive US holiday season for jewelry. After analyzing trends in 2021, Mr. Golan has again forecast a booming holiday season.

IGI congratulates Malvika Vadsak, honored for her winning IGI Expressions™ design. Selected from 555 submissions representing 21 countries, this year’s creative works were all designed as interpretations of the word “dream,” the competition’s theme.

IGI congratulates Melika Etemadi, receiving Honorary Mention for her IGI Expressions™ design. Selected from 555 submissions representing 21 countries, this year’s creative works were all designed as interpretations of the word “dream,” the competition’s theme.

IGI congratulates Leila Bahrami, honored for her winning IGI Expressions™ design. Selected from 555 submissions representing 21 countries, this year’s creative works were all designed as interpretations of the word “dream,” the competition’s theme.