After eight years, Gilbertson is leaving his post at the mining company, which is currently facing a slew of operational challenges.
What you might have missed
More reactions to RapNet’s decision to stop listing diamonds with EGL reports, the sale of a Mellon’s jewelry, and another bank leaving the industry were a few of the top stories on National Jeweler last week.
New York--Here are the five most popular stories from NationalJeweler.com and the top three from the website’s blog, 10X, for the week of Sept. 14 to 20, according to Google Analytics.
NationalJeweler.com
1. RapNet’s EGL decision ignites flurry of reactions. RapNet’s decision to stop listing all EGL-graded diamonds has resulted in a number of different reactions from grading labs with the “EGL” initials and diamond trading platforms. EGL International was the latest to issue a statement about the decision.
2. In NY, Sotheby’s to sell jewels of a Mellon. On Nov. 20 and 21, Sotheby’s New York will auction a number of jewelry pieces that used to belong to horticulturalist and art collector Rachel Lambert Mellon. The sale’s expected top lot is a 9.75-carat pear-shaped fancy vivid blue diamond that is expected to sell for up to $15 million.
3. Antwerp Diamond Bank to shut down. Yet another bank is poised to exit the diamond and jewelry industry. KBC announced Friday that the sale of the Antwerp Diamond Bank to Yinren Group has fallen through, which forces it to close the bank per its agreement with the European Commission.
4. Lesotho mine yields 23-carat pink diamond. Storm Mountain Diamonds unearthed a 23.82-carat pink diamond from its Kao mine in the Kingdom of Lesotho. Dubbed the “Lesotho Storm,” the stone will be up for sale in Dubai, United Arab Emirates, and Antwerp between Sept. 21 and Oct. 7 by Fusion/Hennig Tenders, alongside two large yellow diamonds weighing 51 and 35 carats and more than 30,000 carats of run-of-mine production.
5. JCP aims to snag the well-heeled modern bride. J.C. Penney is elevating its Modern Bride-branded line of engagement rings by offering the “Signature Collection,” featuring rings priced between $2,500 and $10,000. The retailer also will begin selling loose diamonds on its website so that brides-to-be can create custom pieces.
10X Blog
1. A watch from Apple could lift the bunch. Editor-in-Chief Michelle Graff discusses whether or not the Apple Watch could not only boost the smartwatch category in general, but reinvigorate the Millennial generation’s interest in timepieces as a whole.
2. Brazilian gemstones on the rise. This nearly 2-year-old blog seems to have come back around in popularity for readers. In this December 2012 post, National Jeweler columnist and Graduate Gemologist Edward Boehm, owner of gemstone supply and consultancy RareSource, outlines a trip he took to the
3. These are your grandmother’s pearls. Senior Editor Hannah Connorton details how she has come to appreciate her great-aunt’s jewelry and how she wears it in a modern way.
The Latest

The new location is set to open this winter, featuring the retailer’s first rotating jewelry designer residency.

The pop artist appears in the latest campaign for the “Laurence Graff Signature” collection.

Colored gemstones, artisan finishes, mixed metals, and meaningful details are shaping demand in bridal jewelry.

One-of-a-kind pearls take the shape of ice cream cones, frogs, submarines, and other imaginative charms.


Charlotte Rose said her election is “a sign that this is an industry capable of change.”

Sponsored by Rio Grande Jewelry Supply

DCA is preparing the next generation of professionals by supporting workforce development, leadership growth, and career advancement.

The American jewelry house, founded by Latvian immigrants, has been creating American flag brooches since 1917.

The artwork celebrates the Atlanta jeweler’s legacy and symbolizes its commitment to supporting local artists and its community.

Its team can evaluate jewelry and watches, as well as luxury handbags, artwork, and collectibles.

Falling oil prices were a factor in the slight month-over-month improvement.

The new offering comprises more than 120 bridal and engagement ring styles with natural and lab-grown diamonds.

The clock is part of the celebration for the soon-to-open Rolex headquarters on New York City’s Fifth Avenue.

The public relations professional is remembered for her benevolent generosity and unwavering commitment to those around her.

The new watch commemorates Pokémon’s 30th anniversary.

The luxury retailer is now called Exemplar Luxury Group.

The “Lady” collection is a new take on old beauty standards with gemstone-adorned hair pins and combs, a compact mirror necklace, and more.

The new line is included in the e-tailer’s curation of jewelry celebrating America’s 250th anniversary.

All active members who earned their credential or designation before Dec. 1, 2025, are required to recertify.

The new jewelry collection uses a colorful palette of onyx, malachite, tiger’s eye, mother-of-pearl, lapis, turquoise, and coral.

Lee Michaels Fine Jewelry is celebrating 30 years in the Ridgeland, Mississippi community.

Sean Milliner has joined the company.

Classes will begin in August at GIA’s new Canary Wharf location.

A ring set with “hogback” diamonds, an early stone cut dating to around the 16th century, sold for more than $20,000 at a U.K. auction.

The rainbow version of the ring, our Piece of the Week, features angel-cut, octahedral lab-grown sapphires designed to be worn as armor.

The new initiative donates a portion of the proceeds from select charms to charitable causes.




















