The 6-carat CVD-grown pink diamond was “deliberately modified” to mimic the appearance of a natural rough diamond, the lab said.
‘Jubilee Ruby’ Sells for $14 Million
The oval-shaped 15.99-carat gemstone topped Christie’s Magnificent Jewels sale, becoming the most expensive colored gemstone ever sold at auction in the U.S.

New York--The oval-shaped 15.99-carat “Jubilee Ruby” sold for $14.2 million at Christie’s Wednesday, making it the most expensive colored gemstone ever sold at auction in the United States, according to Christie’s.
The ruby, set in a platinum and 18-karat gold ring by Verdura, topped the auction house’s Magnificent Jewels sale held Wednesday, with its final price falling within the range that Christie’s predicted when it announced the sale last month.
All told, Christie’s jewelry sale totaled $57 million.
Other top lots included a 10.07-carat brilliant-cut fancy intense purple-pink diamond selling for $8.8 million; a Type IIa, round brilliant-cut diamond weighing 40.43 carats garnering $7.2 million; and a ring set with a 54.62-carat fancy vivid yellow diamond that sold for $2.5 million.
There also was a ring set with a round brilliant-cut diamond weighing approximately 14.11 carats and set in platinum that went for $1.9 million, and another diamond ring with a 41.18-carat cushion brilliant-cut diamond that garnered $1.4 million.
Click through the slideshow below to see the auction’s top five lots.
The Latest

If the Global Diamond Consortium emerges as the top bidder for De Beers, Botswana’s stake will double to 30 percent, Duma Boko said Monday.

An incorrect AI-generated ad or product description can cost your store valuable consumer trust.

With over 50 years experience in the trade, DSF Antique Jewelry offers quality, craftsmanship, condition, and remarkable variety.

These nine individuals and brands are up for a Gem Award in the Jewelry Design, Media Excellence, and Retail Innovation categories.


The incident, which happened in Miami-Dade County, serves as a reminder to jewelers of the dangers of selling and storing jewelry at home.

GIA Analytical Microscopist John Koivula curated the collection of 2,665 crystals, gems, and minerals over a 60-year span.

With customization becoming more expected in engagement ring shopping, the Bridal Builder makes the process tangible.

The “Eclipse” collection, the brand’s first high jewelry line, centers its alligator motif in diamond and spinel jewels.

From a Betta fish brooch to a “dragon’s trove” of zircon eggs, here are seven pieces that’ve stuck with Associate Editor Lauren McLemore.

Groundbreaking New Mexico Governor-elect Deb Haaland wore the earrings, our Piece of the Week, when she declared victory on Tuesday.

Jost goes on an epic journey, traversing rough seas and encountering a cyclops, to discover the perfect holiday gift.

Sponsored by GCAL by Sarine

From shrinking budgets to AI elves, here are five takeaways from holiday reports by Bain, Adobe, Mastercard, NRF, and insights from YouGov.

The designers combined their talents for Little Pet Portraits, hand-painted miniatures of our best friends set in a piece of jewelry.

Its non-bridal fine jewelry remains the star of the show, recently launching new collections inspired by Elizabeth Taylor and Jane Goodall.

“Joy: The Swarovski Musical” features Ariana Grande as the leading lady in scenes inspired by classic musical montages.

The lab will bring back its complimentary next-day service for some reports starting next week.

A Pennsylvania woman failed to declare a ring and a bracelet, discarding the boxes and receipts to conceal the purchases, officials said.

New collections and relevant marketing pushed the company forward, while Pandora’s lab-grown diamond sales continue to lag.

The citywide celebration, slated for Nov. 16-22, is set to host more than 175 events, including live jewelry-making demos.

Lanessa Elrod, former president and CEO of Louis Vuitton Americas, has stepped into the role as the retailer celebrates 125 years.

Klein, who had his own marketing agency and worked for Gabriel & Co. and Trans American Diamond, is remembered as a kind man.

To enter the giveaway, locals can purchase a featured beverage from one of eight participating restaurants in Houston and Austin, Texas.

The grant recipient will be awarded $50,000 as well as mentoring meetings with executives at David Yurman and other industry executives.

The winners include a non-NAJA member seeking training, a member beginning NAJA courses, and a member becoming a Certified Master Appraiser.

It is one of several seizures of counterfeit jewelry and watches by U.S. Customs and Border Protection officials in Louisville this year.
























