The luxury goods company said founder Ippolita Rostagno will remain at the brand’s helm.
8-Carat “Sky Blue” Diamond Garners $17M
The fancy vivid blue diamond was expected to be the top lot of Sotheby’s Nov. 16 sale in Geneva but was topped by a step-cut 17.07-carat fancy intense pink.

New York--An 8.01-carat fancy vivid blue diamond, dubbed “The Sky Blue Diamond” to emphasize its rare hue, sold for $17.1 million, or $2.1 million per carat, Wednesday.
The stone, which is set in a Cartier ring, was supposed to lead the Sotheby’s Magnificent Jewels and Noble Jewels sale in Geneva, but it sold toward the low end of its estimated range of $15-$25 million.
The sale’s top lot ended up being a step-cut fancy intense pink diamond weighing 17.07 carats. Set between triangular diamonds weighing 3.07 and 3.13 carats, the pink garnered $20.8 million at Sotheby’s.
A few other pink diamonds fell within the top lots: a pear-shaped fancy intense pink diamond weighing 13.20 carats went for $16.2 million, a 40.30-carat pear-shaped fancy light pink diamond garnered $7.5 million and a step-cut fancy intense pink diamond weighing 8.73 carats sold for $4.3 million.
Also in the top lots were an oval fancy deep blue diamond weighing 7.74 carats set between shield-shape diamond shoulders that went for $13.7 million, and a cushion-shaped 8.37-carat ruby and diamond Cartier ring that garnered $4.3 million.
The Magnificent Jewels and Noble Jewels sale totaled $136.5 million in Geneva.
Meanwhile, Christie’s Geneva sold a 9.14-carat, fancy vivid pink, VS2-clarity pear-shape diamond for $18.1 million, or $2 million per carat, at its Magnificent Jewels auction on Tuesday.
The auction house also set a new world record at the sale for a pair of earrings when it sold two pear-shape, D-color, flawless diamonds weighing 52.55 carats and 50.47 carats from Paris haute joaillerie house Boehmer et Bassenge for $17.6 million.
A couple of necklaces also were notable in the sale.
A diamond fringe necklace from Harry Winston weighing a total of 128.24 carats sold for $8.3 million was bought back by Harry Winston, and a Boehmer et Bassenge necklace featuring two pear-shape diamonds weighing 31.38 and 12.11 carats and an 8.07-carat brilliant-cut diamond that were surrounded by pink diamonds and set in a double line of vari-cut diamond flowerhead clusters sold for $8.1 million.
Christie’s Magnificent Jewels sale garnered revenues of $97.1 million.
The Latest

Laura Burdese, who joined the Italian luxury brand in 2022, will take on the role in July.

The National Jeweler editors revisit the most noteworthy industry happenings and design trends from 2025.

How Jewelers of America’s 20 Under 40 are leading to ensure a brighter future for the jewelry industry.

The lab-grown diamond grower now offers custom engagement and fashion jewelry through its Kira Custom Lab Jewelry service.


Chandler got his start at Michelson Jewelers and has served as DCA president and CEO since 2001. He will retire at the end of the month.

The boutique is slated to open this week inside Terminal 8, offering pre-owned Rolex watches and more to international travelers.

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

Sponsored by Digital Monitoring Products

The special-edition egg pendant ingested in a New Zealand jewelry store was recovered after a six-day wait.

Associate Editor Natalie Francisco plays favorites with Piece of the Week, selecting a standout piece of jewelry from each month of 2025.

The “Love and Desire” campaign is inspired by the magic that follows when one’s heart leads the way, said the brand.

Two awardees will receive free tuition for an educational course at the Swiss lab, with flights and lodging included.

Berta de Pablos-Barbier will replace Alexander Lacik at the start of January, two months earlier than expected.

Sotheby’s held its first two jewelry sales at the Breuer building last week, and they totaled nearly $44 million.

Winners will receive free registration and lodging for its fourth annual event in Detroit.

Here are six ideas for making more engaging content for Instagram Reels and TikTok, courtesy of Duvall O’Steen and Jen Cullen Williams.

The honorees include a notable jewelry brand, an industry veteran, and an independent retailer.

Carlos Jose Hernandez and Joshua Zuazo were sentenced to life without the possibility of parole in the 2024 murder of Hussein “Sam” Murray.

Yood will serve alongside Eduard Stefanescu, the sustainability manager for C.Hafner, a precious metals refiner in Germany.

The New Orleans jeweler is also hosting pop-up jewelry boutiques in New York City and Dallas.

Set in a Tiffany & Co. necklace, it sold for $4.2 million, the highest price and price per carat paid for a Paraíba tourmaline at auction.

The jeweler’s “Deep Freeze” display showcases its iconic jewelry designs frozen in a vintage icebox.

Take luxury gifting to new heights this holiday season with the jeweler’s showstopping 12-carat sphene ring.

This year's theme is “Unveiling the Depths of the Ocean.”

In its annual report, Pinterest noted an increase in searches for brooches, heirloom jewelry, and ‘80s luxury.

Starting Jan. 1, customers can request the service for opal, peridot, and demantoid garnet.



















