JSA’s Scott Guginsky provided a list of nine security measures jewelers should observe while locking up for the long weekend.
3-Carat ‘Bubble Gum Pink’ Diamond Could Sell for $8M
Set in a ring by Moussaieff, the piece will lead Christie’s May 28 jewelry auction in Hong Kong.

Hong Kong—A 3.44-carat fancy vivid purplish-pink modified brilliant-cut diamond could garner as much as $8 million at a Hong Kong jewelry auction next week.
The “Bubble Gum Pink,” set in a ring by Moussaieff and surrounded by pear-shaped pink and marquise-cut white diamonds, is expected to be the top lot of Christie’s “Magnificent Jewels” auction on May 28.
The jewelry auction features more than 260 lots of rare jewels, including an exceptional 3.01-carat fancy vivid blue VS1 diamond expected to sell for between $4.7-$7 million.
Also heading to the auction block are several exceptional gemstone and jadeite pieces.
“Grand Muzos,” pictured below, is a pair of earrings featuring 23.34-carat and 23.18-carat Colombian no-oil emeralds, accented with pearls and brilliant-cut diamonds (3.01 carats each) in platinum.
Named for Muzo, the legendary source of Colombian emeralds, the earrings are expected to sell for between $3.8-$6.5 million.
Also included in the jewelry auction is a 26.41-carat Kashmir no-heat sapphire brooch, expected to go for between $4 million and $6.5 million; a jadeite bead necklace expected to sell in the range of $2 million to $3.2 million; and a jadeite cabochon ring that could go for between $580,000-$800,000.
“Magnificent Jewels” also features several signed pieces.
The Bulgari necklace seen below is a set with a 11.69-carat pear-shaped F, IF diamond and a 1.02-carat fancy vivid green-blue diamond. It is estimated to sell for $1.6-$2.3 million.
A Harry Winston necklace featuring circular, baguette, marquise and pear-shaped diamonds in platinum and gold is estimated to sell for $150,000 to $230,000.
For a full list of lots in the Hong Kong jewelry auction, visit Christies.com.
The Latest

From Lau’s “Love of a Kind” series, the engagement ring was inspired by the moon and holds a different meaning depending on how it is worn.

The lab has adjusted the scale it uses for nacre grading.

Gain access to the most exclusive and coveted antique pieces from trusted dealers during Las Vegas Jewelry Week.

Sponsored by GCAL by Sarine


David Walton will serve three years’ probation after an incident in a hotel bar led to the death of West Virginia jeweler David Ettinger.

The retailer also provided an update on how the tariffs situation in the U.S. is affecting its business.

Supplier Spotlight Sponsored by GIA

The family-owned jeweler in Great Falls, Virginia, will be celebrating its golden jubilee with a year’s worth of events.

The nonprofit elected five judges who will decide the winners of its design competition.

This year’s edition includes articles on the favorite tools of notable designers, evaluating when to outsource production, and more.

The jeweler’s high jewelry collection features extraordinary gemstones, like a 241.06-carat emerald and the world’s fourth-largest spinel.

In a special column for the State of the Majors, Edahn Golan breaks down what the top-performing fine jewelry sellers are doing right.

The bolo tie necklace is inspired by “Queen Bey” and set with a nearly 15-carat black diamond.

The nonprofit focused on mining communities in East Africa has added three new members to its advisory council.

Current Diamond Council of America President and CEO Terry Chandler is set to retire in January 2026.

The company's Series A shares will continue to trade following a reverse stock split while its Series B shares will be delisted.

Communicating clearly with your staff is key to navigating turbulent times, writes columnist Peter Smith.

The “Inner Journey” collection debuted as the brand celebrated its 25th anniversary, with designs inspired by Morais’ journey.

Tanishq is expanding its presence in the United States with a new store in Santa Clara, California, which is its largest in the country.

Sales for Richemont’s four jewelry brands increased 8 percent, while watch sales picked up toward the end of the year.

Two scholarships are available, one for new and non-members and another for NAJA certified members.

The retailer’s new flagship is set to open in October at the Tuscan Village development in Salem, New Hampshire.

Sapphires, emeralds, and rubies are finding their place in a U.S. market captivated by the gemstones once referred to as “semi-precious.”

Plus, parent company Saks Global announces plans to cut ties with up to 600 vendors.

Peter Smith joined Michelle Graff to chat about the state of brick-and-mortar stores and share a few book and podcast recommendations.

The necklace features a candy-colored Australian white opal in 18-karat Fairmined gold, as the brand was named a Fairmined ambassador.