My Profile  |  Contact Us  |  Member Portal

Search
American Gem Society Logo

diamonds

What Causes Diamonds to Break?

Marc Nanasi with NEI Group is today’s guest blogger. Could My Diamond ‘Break’? It’s easy to think that diamonds are invincible, after all, they rank as the hardest substance known to man on the Moh’s scale. Unfortunately, diamonds are not without their vulnerabilities. So, yes, diamonds can break. This comes with good news and bad news. The bad news is that no diamond is impervious to breaking, but the good news is that it is an extremely rare occurrence. The most important step comes when selecting your diamond. Diamonds are formed within the earth and usually have identifying characteristics within them. These

Read More »

Why Is a Diamond's Cut Important?

Today’s Guest Blogger is Alethea Inns, CG, Director of Diamond Grading for the American Gem Society Laboratories. Alethea’s post today is on a topic she knows very well: a Diamond’s Cut, and how it helps make a diamond even more beautiful. Cut is, without a doubt, the most important of the 4 Cs.  The cut of a diamond has the greatest overall influence on the diamond’s beauty.  Facets that are correctly placed on the diamond allow it to act like a system of windows and mirrors that return the most light to the eye in the most balanced way.  That being

Read More »

Spanish Queen's Bracelet On Auction Block

JCK posted an article yesterday about an upcoming Sotheby’s auction that will feature several rare and beautiful pieces of jewelry.  A Cartier bracelet made of conch pearl, enamel, and diamonds will be auctioned this month in Geneva. The stunning bracelet once belonged to Queen Victoria Eugenia of Spain, and carries an estimate selling price of $800,000–$1.4 million. David Bennett, the chairman of Sotheby’s jewelry department in Europe and the Middle East described the piece in a statement as, “One of the greatest jewels designed by Cartier during the 1920s.” Other highlights of the auction include a pair of ruby and

Read More »

Estée & Evelyn Lauder Jewelry Collection to Be Auctioned at Sotheby’s

Sotheby’s will be auctioning off 35 pieces from the jewelry collection of Estée & Evelyn Lauder, in their upcoming Magnificent Jewels auction on December 5, 2012. The Proceeds will benefit the Breast Cancer Research Foundation, founded and championed by Evelyn Lauder. The collection of quality gems will be traveling though out the month of November to Los Angeles, London, Geneva and back to New York on the first of December where there will be an exhibition until the day of the auction.  Additional pieces from the Lauder collection will also be auctioned at the Important Jewelry auction in February 2013.

Read More »

Let's Talk Jewelry

Welcome to our new blog! We are  here to talk about jewelry with you. Whether it’s tips on buying jewelry, the latest trends, historic or celebrity jewelry or even proper care for your gems, we have information to share. Our blog is written by experts in the industry–usually people who work in jewelry stores or are designers. We all share a passion for fine, quality jewelry, and want to share our expertise with you, so that your experience with jewelry, from buying it to wearing it, is a great one. Want to tell us about your most treasured necklace? Have a question about

Read More »