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.
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.
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.
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.
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.
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.
For just a handful of years now, "Ethiopian Emeralds" have been appearing on the world stage. It still seems strange that we had to wait for such a long time.
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.
Gemologists from IGI Shanghai recently provided images and information regarding one of nature's rare and stunning wonders, the chameleon diamond.
How exciting! After flybys, orbits and epic landings, a future mission will bring rocks home from the red planet's surface.
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…
In a proactive move, delivering even more information to jewelry sellers and buyers around the world, IGI has added a new detail to its lab-grown diamond grading reports.
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.
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.
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.