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Jewelry Knowledge Quiz: All About Diamonds
From the oldest to the largest to the most popular, find out how much you know about the hardest substance on Earth.

Where are lamproite pipes found? And what do some of the most recent celebrity engagement rings have in common?
Test your knowledge of the hardest known substance in the world by taking this seven-question quiz, then share it to let people see how you did.
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“Art as Jewelry as Art” features works from artists like Salvador Dalí, Alexander Calder, and Max Ernst.

The jeweler is relocating his Beverly Hills store after 20 years and has begun developing a lifestyle brand.

Rio Grande provides a pathway to responsibly sourced gemstones.

It’s the company’s seventh showroom opening this year.


The Belgian organization is calling for entries from all over the world, with an eye on attracting emerging talent.

Sherry Smith digs into year-to-date data on lab-grown vs. natural diamonds, the performance of colored gemstone jewelry, and more.

From laboratory-grown diamonds to design to country-of-origin, GIA's Alumni Collective™ has a seminar to suite your needs.

Associate Editor Lenore Fedow leads readers through the Italian jeweler’s works from the 1940s to the 2000s.

The NYPD is still searching for the four suspects who robbed Rocco’s Jewelry in the Bronx.

The jewelry trade show is taking place Aug. 14-16 at the Javits Center in New York City.

The sponsorship will help fund programs and initiatives in the upcoming year.

The jewelry giant said the acquisition will allow it to tap into a pool of customers who are younger, more affluent and ethnically diverse.

There were only 250 made available, selling for more than $50,000.

The British-based Swiss designer’s “Pottering Around” collection is for sale at Sotheby’s East Hampton starting this week.

He was convicted last month after falsely claiming he had a deal with Costco in order to obtain millions in diamonds from LLD Diamonds USA.

Tough, vibrant, and full of personality, spinel is a perfect birthstone for August babies, Amanda Gizzi says.

Dorian Webb, one of the designers in the Emerging Designers Diamond Initiative, will be the first to work with Gemist.

The charity will hold its fifth annual fundraising day on Sept. 24.

The passionate gem lover helped bring more than 300 different varieties of stones to the gem trade.

The brand has attracted attention for its colorful, vintage-inspired pieces.

Marcelo Tau is the company’s new chief operations officer.

The jewelry designer founded her eponymous brand in 2015 after nearly two decades in the diamond industry.

Sponsored by HiBid

The watch seller comments on future demand, how the crypto crash impacted Rolex and Patek Philippe pricing, the supply recovery, and more.

It features fives sets of jewelry.

Through the collaboration, HRA will exclusively cut, polish, and distribute Plasmability’s lab-grown diamonds in the market.