Clinohumite by any other name…

It's doesn't quite sizzle, does it? "Fire Spinel" is far more electrifying, and that's how it's named in Bangkok gemstone shops. But Clinohumite, by any other name, is still Clinohumite.

0 Comments

IGI and University of Naples Federico II to present in Italy on July 22

The International Gemological Institute and the University of Naples Federico II, the oldest public non-sectarian university in the world, will collaborate on a presentation at the 3rd National Diamond and Colored Gems Conference in Bari, Italy on Thursday, July 22.

0 Comments

IGI Certifies 10 carat Heart Shaped Lab Grown Diamond

IGI's laboratory in Mumbai, India, recently graded a large, heart shaped laboratory grown diamond. The choice of fancy shape, top color grade and exceptional craftsmanship combine to make this large, heart-shaped specimen unique.

0 Comments
Read more about the article Harvard Magazine reports on IGI Certified Aether Diamonds
Credit: Harvard Magazine | Unsplash

Harvard Magazine reports on IGI Certified Aether Diamonds

Harvard Magazine, a publication founded by university alumni more than 100 years ago, recently published a piece covering Aether Diamonds, a company founded by 2011 Harvard University graduate Bob Hagemann which uses IGI's certification services.

0 Comments

Industry News: IGI Uncovers Largest Misrepresented Lab Grown Diamond

A 6.18 carat loose, round brilliant cut diamond submitted to IGI's Thailand laboratory for verification purposes was discovered to be laboratory grown, despite the fact that it was accompanied by a natural diamond grading report.

0 Comments
Read more about the article Princess Secrets – REVEALED
Photo credit: Alice Alinari on Unsplash

Princess Secrets – REVEALED

Under store spotlights one princess can sizzle with electric white scintillation, while a second princess boils with big, colorful flashes. Others fall somewhere between. Why the differences? The secret is revealed within.

0 Comments

See Metal I.D. Performed on an Antique Etruscan Necklace

Recently the IGI Lab in Shanghai received an antique Etruscan revival style necklace from the mid to late 19th century. When the necklace was submitted, IGI gemologists immediately understood the reason it was sent for identification: It seemed to weigh less than it should and, therefore, was suspected to be made of gilt copper, rather than gold.

2 Comments
Read more about the article The Classic Chameleon Diamond
Photo credit: Chopard

The Classic Chameleon Diamond

Gemologists from IGI Shanghai recently provided images and information regarding one of nature's rare and stunning wonders, the chameleon diamond.

1 Comment
Read more about the article The Spinel Murder Mystery of 2015
Photo Credit: Emiliano Vittoriosi on Unsplash

The Spinel Murder Mystery of 2015

Mystery \ mist(ə)rē \ : inexplicable or secretive quality or character. A plot. An (international) intrigue, along with the solution to an enigma whose clues seem to lead to obvious…

0 Comments

Same Carat Weight – Visible Size Differences

Different 1.00 carat diamonds can look different sizes. This is because we typically view diamonds from a single direction: Above. Imagine cooking a 1 pound meatball and a 1 pound pancake. On your scale they weigh the same. But the meatball's weight is distributed in a deeper geometry.

0 Comments
Read more about the article See the Asteroid worth more than our global economy
Image credit: Maxar/ASU/P. Rubin/NASA/JPL-Caltech

See the Asteroid worth more than our global economy

The valuable asteroid composed entirely of iron and nickel drew to within 1.6 astronomical units (AU) of Earth over the weekend. If you're in the USA grab your telescope, escape light-pollution, find an elevated position and look to the north. 16 Psyche will be in the constellation of Taurus tonight.

1 Comment
Read more about the article Register NOW for our Wednesday Webinar
Image from Shutterstock

Register NOW for our Wednesday Webinar

Click here to register and join us at 2:00 PM EST on Wednesday for "New Talking Points about Lab-Grown Diamonds," a 45-minute webinar from IGI and Jewelers of America. Whether you sell lab-grown diamonds or not, teaching your clients something new builds trust in your professional expertise.

0 Comments