She wore the “Le Cauri Endiamanté” earrings, our Piece of the Week, in the Obamas’ first dual portrait for the Obama Presidential Center.
‘Graff ruby’ expected to sell for $6M-$9M
Sotheby’s anticipates that the 8.62-carat pigeon’s blood “Graff ruby,” one of the finest privately owned rubies in the world, will sell for as much as $9 million at its auction in Geneva next month.
Sotheby’s Nov. 12 sale of “Magnificent Jewels and Noble Jewels” brings together a group of exceptional jewels and gems from the collection of Dimitri Mavrommatis as well as pieces with a noble provenance.
In addition to the Graff ruby, the top lots of the sale include a pair of perfectly matched oval diamond earrings weighing 20.05 and 20.06 carats each that are expected to sell for up to $8.3 million, as well as a Kashmir sapphire and diamond ring that could garner as much as $6 million.
Also highlighting the sale are a 14.45-carat Burmese ruby and diamond ring, a 100.85-carat diamond ring, and a 16.37-carat diamond ring from Graff.
There also are two colored diamonds included in the top lots--which have been selling for record amounts in international jewelry auctions of late--including a fancy intense 3.16-carat blue diamond ring and a fancy intense purplish pink diamond ring of 4.53 carats.
The Latest

Couture’s Michelle Orman joins Amanda Gizzi and Michelle Graff for this special post-Market Week episode of My Next Question.

The lab is seeing emeralds with filler added post-testing enter the market, accompanied by reports that indicate little to no treatment.

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

The third generation of the Stern family to head Patek Philippe, he navigated the “quartz crisis” and preserved the brand’s independence.


The Texas-based jeweler is gradually rolling out a new experience-forward layout in its stores.

The Super Bowl LX champions were honored with diamond and blue sapphire rings by Jason of Beverly Hills.

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

Marianna Smirnova previously spent a decade working with the Responsible Minerals Initiative, in addition to other relevant roles.

The New York Knicks took home the Larry O'Brien Trophy crafted by Tiffany & Co.

Associate Editor Natalie Francisco lists the trends she spotted during Jewelry Market Week that will dominate the second half of 2026.

Its app now reflects increased prices for Mozambique ruby, as well as changes to its Burma ruby charts.

The manufacturer has tapped Alicia Arnold, the former director of custom design at Tiny Jewel Box.

The revamped, elevated space will feature a two-story Patek Philippe atelier and a rooftop patio for parties.

The special-edition piece marks the 140th anniversary of the iconic beverage brand.

Here are 13 small charms to inspire your layered looks this summer.

Our Pride Month Piece of the Week, the “Margaux” ring, is part of the wife-and-wife team’s new “Lovestoned” collection.

The group has named the keynote speaker and announced a new pavilion for its next event, which is slated for September.

From lions and hippos to snails and fish, Senior Editor Lenore Fedow wrangles her picks for cutest jewelry critters in Las Vegas.

The big stone will be fashioned into a 20.26-carat diamond in celebration of the retailer’s 100th anniversary this year.

Marie-Laure Cérède will join Chanel as the new director of its jewelry creation studio, starting in October.

At the JCK show, the lab-grown diamond brand teamed up with Jewelers for Children to support Make-A-Wish India.

Ilana McCabe is Signet’s vice president of public relations and brand communications.

It was a banner day for blue gemstones, with another blue diamond topping $8 million and a 41-carat sapphire going for $2.3 million.

The approval means the retailer is on track to exit bankruptcy proceedings this summer.

The men are believed to be part of the group of several masked suspects that robbed Marc Robinson Jewelers in April.

The bridal-focused brand is also launching its Custom Atelier this summer, a digital custom design tool for its authorized retailers.























