This 45-Carat Round Diamond Could Sell for $6M Online
The D flawless stone is the highlight of a current digital auction from Christie’s.

The auction house announced the sale of “The Flawless Star,” a 45.46-carat round brilliant-cut D flawless diamond Christie’s says is the highest-valued jewel to be offered in an online-only sale. It’s estimated to sell for between $4 million and $6 million.
The Flawless Star is up for bidding now through April 7, along with the Christie’s “Jewels Online” auction, which includes more than 200 lots, more than half of which are being offered without reserve.
The No. 2 lot of the sale is predicted to be a necklace centered on a 12.12-carat pear-shaped diamond; it’s estimated to sell for between $550,000 and $650,000.
Other highlights include designs from renowned jewelry houses like Buccellati, Bulgari, Cartier, Graff, Harry Winston, JAR, Oscar Heyman, Tiffany & Co., and Verdura.
See: Highlights of the “Jewels Online” Auction
For example, there’s a pair of Harry Winston earrings featuring emerald-cut diamonds weighing 2.06 carats each that’s estimated to sell for $30,000-$50,000.
A Verdura wristwatch with a quartz movement, mother-of-pearl dial, and round diamonds in 18-karat gold is expected to sell for $25,000-$35,000, while a Cartier Art Deco diamond, onyx, and coral Panthère brooch could garner between $20,000 and $30,000.
There are also several Van Cleef & Arpels pieces with various interpretations of the brand’s iconic “Alhambra” motif.
A vintage turquoise Alhambra necklace is estimated to sell for $10,000-$15,000, and a pair of diamond “Magic Alhambra” earrings could garner between $15,000 and $20,000.
To see all the jewelry auction’s lots, visit Christies.com.
The Latest

Falling oil prices were a factor in the slight month-over-month improvement.

The new offering comprises more than 120 bridal and engagement ring styles with natural and lab-grown diamonds.

The clock is part of the celebration for the soon-to-open Rolex headquarters on New York City’s Fifth Avenue.

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

The public relations professional is remembered for her benevolent generosity and unwavering commitment to those around her.


The new watch commemorates Pokémon’s 30th anniversary.

The luxury retailer is now called Exemplar Luxury Group.

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

The “Lady” collection is a new take on old beauty standards with gemstone-adorned hair pins and combs, a compact mirror necklace, and more.

The new line is included in the e-tailer’s curation of jewelry celebrating America’s 250th anniversary.

All active members who earned their credential or designation before Dec. 1, 2025, are required to recertify.

The new jewelry collection uses a colorful palette of onyx, malachite, tiger’s eye, mother-of-pearl, lapis, turquoise, and coral.

Lee Michaels Fine Jewelry is celebrating 30 years in the Ridgeland, Mississippi community.

Sean Milliner has joined the company.

Classes will begin in August at GIA’s new Canary Wharf location.

The rainbow version of the ring, our Piece of the Week, features angel-cut, octahedral lab-grown sapphires designed to be worn as armor.

The new initiative donates a portion of the proceeds from select charms to charitable causes.

The Brooklyn-based jeweler created a limited-edition version of its “Aura” eternity band, set with gemstones in the team’s colors.

Dallow will lead the International Colored Gemstone Association, effective July 6.

Senior Editor Lenore Fedow headed to Savannah to learn more about the 10-year, $10 million partnership between JM and the art school.

Its new capsule jewelry collection features gold-finished stainless steel pieces designed for a maximalist look without a luxury price tag.

The week-long event in Geneva is slated for April 2027.

The three industry leaders bring financial, communications, and legal expertise to the nonprofit’s board of directors.

Jewelers are missing out by not offering this one key add-on at the online point of sale, Emmanuel Raheb writes.

The fourth collaborative collection from the retailer and jewelry content creator focuses on gemstone charms and strands of colorful beads.

This year’s AGTA Spectrum & Cutting Edge Awards will feature two new categories.

The collection features traceable alexandrite from Brazil in calibrated sizes that is sorted by grade.
























