A buyer paid $25.6 million for the diamond at Christie’s on Tuesday. In 2014, Sotheby’s sold the same stone for $32.6 million.
Steven Kaiser Elected to Chair Jewelers’ Security Alliance
The 135-year-old trade organization also inducted Reed Jewelers CEO Alan Zimmer to its board.
New York—The Jewelers’ Security Alliance welcomed new and familiar faces to the board at its annual meeting at the New York Yacht Club.
JSA President John Kennedy began the day’s event with a moment of silence for Helen Buck, a long-standing JSA member who passed away in October, as well as for jeweler Jason Cullen, who was killed during a robbery in California.
Cullen, the 32-year-old son of the owners of Highland Pawn, suffered a gunshot wound to the abdomen and died the following day.
Kennedy found a silver lining in the tragedy, noting that the number of jewelers killed has been on the decline, hitting a 35-year-low for the industry.
There was one death in 2018, compared with the 37 U.S. jewelers killed in 1992.
The total dollar losses from crime against the U.S. jewelry industry also has been on the decline most years since 2000, Kennedy said, crediting JSA and its growing network of law enforcement personnel.’
Alan Zimmer, CEO of Reed Jewelers, is a newcomer to the board.
Returning members re-elected to three-year terms include Patti Geolat of the Geolat Companies, Chris Hackler of Signet Jewelers, Mark Smelzer of JCK and David Tearle of the Gemological Institute of America.
Those continuing in their terms include Chad Berg of Lee Michaels Fine Jewelry, David Bonaparte of Jewelers of America, Marc Green of Lux, Bond & Green, Adam Heyman of Oscar Heyman & Brothers, David Sexton of Jewelers Mutual Insurance Company, Mark Udell of London Jewelers, Stewart Wicht of Rolex and Stanley Zale of Stuller.
The organization presented Annual Industry Service Awards to National Jeweler Editor-in-Chief Michelle Graff and JCK News Director Rob Bates.
Founded back in 1883, JSA has more than 21,000 member locations.
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Mercedes Gleitze famously wore the watch in her 1927 swim across the English Channel, a pivotal credibility moment for the watchmaker.

GIA is offering next-day services for natural, colorless diamonds submitted to its labs in New York and Carlsbad.

Roseco’s 704-page catalog showcases new lab-grown diamonds, findings, tools & more—available in print or interactive digital editions.

Tiffany & Co., David Yurman, and Pandora have launched holiday campaigns depicting their jewelry as symbols of affection and happiness.


The National Retail Federation is bullish on the holidays, forecasting retail sales to exceed $1 trillion this year.

Late collector Eddy Elzas assembled “The Rainbow Collection,” which is offered as a single lot and estimated to fetch up to $3 million.

From educational programs, advocacy, and recent MJSA affiliation, Jewelers of America drives progress that elevates businesses of all sizes.

At the 2025 World Series, the Los Angeles Dodgers’ Yoshinobu Yamamoto sported a custom necklace made by California retailer Happy Jewelers.

The brand’s seventh location combines Foundrae’s symbolic vocabulary with motifs from Florida’s natural surroundings.

The retailer also shared an update on the impact of tariffs on watch customers.

Pink and purple stones were popular in the AGTA’s design competition this year, as were cameos and ocean themes.

All proceeds from the G. St x Jewel Boxing raffle will go to City Harvest, which works to end hunger in New York City.

Courtney Cornell is part of the third generation to lead the Rochester, New York-based jeweler.

De Beers also announced more changes in its upper ranks ahead of parent company Anglo American’s pending sale of the company.

Former Signet CEO Mark Light will remain president of Shinola until a replacement for Ulrich Wohn is found.

Kindred Lubeck of Artifex has three rings she designed with Anup Jogani in Sotheby’s upcoming Gem Drop sale.

The company focused on marketing in the third quarter and introduced two new charm collections, “Pandora Talisman” and “Pandora Minis.”

The jewelry retailer raised its full-year guidance, with CFO Jeff Kuo describing the company as “very well positioned” for the holidays.

Ahead of the hearing, two industry organizations co-signed an amicus brief urging the court to declare Trump’s tariffs unlawful.

Stuller COO Belit Myers will take on the additional role of president, with all changes effective at the start of 2026.

Smith cautions retailers against expending too much energy on things they can’t control, like the rising price of gold.

Citrine and topaz are birthstones fit for fall as the leaves change color and the holiday season approaches.

The family-owned jeweler will open its fourth store in Florida in late 2027.

The trade organization also announced its executive committee and five new directors.

The “Have a Heart x Diamonds Do Good” collection is championed by model and humanitarian Flaviana Matata and will benefit her foundation.

The ring, set with a nearly 17-carat Kashmir cabochon sapphire, sold for $1 million.



















