Gemologists have long used machines in diamond grading but technology has made it possible for them to “learn” how to do it on their own.
Search

Set with a 118-carat unheated Sri Lankan sapphire, it just sold for $3.4 million at Phillips jewelry auction in Hong Kong.

The Pittsburgh jeweler is redoing the lighting and showcases, and adding a full hospitality bar as well as new shop-in-shops.

Zale has more than 40 years’ experience in the diamond industry, including 17 years as Stuller’s VP of diamonds and gemstones procurement.

The company confirmed it will be combining the auctions for the fifth and sixth sales cycles into one.

He succeeds his mother, Cathy Tivol, who will remain involved in the business as company chair.

Sergey Ivanov Jr., who is under U.S. sanction, is out, replaced by Almazy Anabara CEO Pavel Marinychev.

Zerouki took over as World Diamond Council president Monday, with Ronnie VanderLinden elected vice president.

The company reported record sales, driven by desire for classic lines like Cartier “Panthère” and “Alhambra” from Van Cleef & Arpels.

The new corporation, GCAL USA LLC, will be part of the Sarine Group and its grading reports will read “GCAL by Sarine.”

Tourneau/Bucherer is now selling certified pre-owned Rolexes in its stores and online, with Watches of Switzerland to follow this summer.

Yehuda’s knack for invention became apparent at an early age, and his career spanned seven decades.

India’s Ethereal Green Diamond grew the 34.59-carat stone, which GIA said represents a milestone in CVD growth.

Pandora’s like-for-like sales were flat globally while they fell 7 percent in the United States.

Priyanka Chopra Jonas wore the 11.16-carat pear-shaped blue diamond to the event.

Hematian is remembered for his kindness, his passion for jewelry design, and his dedication to the company he started from scratch.

De Beers said the main reason production leveled off in the first quarter is Venetia, which is transitioning to an underground operation.

Officials allege a “complex network” of entities helped Nazem Said Ahmad deal in diamonds and artwork in the U.S. despite being sanctioned.

Priyank Kothari, formerly with Venus Jewel, has been appointed to head the diamond company’s India operations.

Christie’s says it is the largest collection of JAR jewels ever to be sold at auction.

It details the family’s history and legacy in the world of lab-grown gems and is set for release at the JCK show in Las Vegas.

Bosen, a longtime industry consultant known as “The Jeweler’s Coach,” will start his new job next month.

The longtime, well-liked sales trainer died earlier this week following a fire at her Maryland home.

The company’s third-cycle sales totaled $540 million, down only slightly from the same period in a strong 2022.

Paul Newman’s Rolex Ref. 16520 “Zenith” Daytona and a Rolex Ref. 116519 Daytona will go up for auction June 9 at Sotheby’s.