It was a banner day for blue gemstones, with another blue diamond topping $8 million and a 41-carat sapphire going for $2.3 million.

Lauren McLemore

Up for auction at Sotheby’s, the collection of Tempelsman’s personal effects includes a Cartier Tank watch Jackie O. gifted him.

Lauren McLemore

A private collection of five Paraíba tourmalines also will be up for sale at Sotheby’s High Jewelry auction in New York, scheduled for June 16.

Lauren McLemore

Everett covers colored stones’ surging popularity, the mellow return of the “Mellon Blue,” and his “The Devil Wears Prada” doppelgänger.

The Western star’s 14-karat gold signet ring sold for six times its low estimate following a bidding war at U.K. auction house Elmwood’s.

Natalie Francisco

A matching pair of 18.38-carat, D-color diamonds from Botswana’s Jwaneng mine sold for $3.3 million, the top lot of the jewelry auction.

Michelle Graff

It was the second auction appearance for the fancy vivid blue-green diamond, which sold for $7.8 million at Christie’s Geneva 12 years ago.

Lauren McLemore

Led by the 6.59-carat sapphire, the sale garnered $9.7 million, a record total for a Heritage jewelry auction.

Lauren McLemore

Of the many examples used in the filming of “Le Mans,” this one is believed to have spent the most time on Steve McQueen’s wrist.

Lauren McLemore

Believed to be one of three made in 1987, the Cartier London Crash was hot at the “Shapes of Cartier” sale at Sotheby’s Hong Kong.

Natalie Francisco

A signet ring belonging to the Western film star of Hollywood’s Golden Age will be up for auction at Elmwood’s next month.

Natalie Francisco

The largest known fancy vivid blue-green diamond could fetch more than $12 million at its second auction appearance.

Lauren McLemore

The Patek Philippe for Tiffany & Co. timepiece Astor brought aboard the ill-fated ship sold for double its estimate at a Freeman’s auction.

Lauren McLemore

Julien’s Auctions is selling the musician’s fine and fashion jewelry alongside her clothing, gold records, and other memorabilia.

Natalie Francisco

A Patek Philippe for Tiffany & Co. timepiece owned by the American businessman who died on the Titanic will be offered at Freeman's Chicago.

Lauren McLemore

The highest-grossing lot was a Tiffany & Co. ring set with a flawless, emerald-cut diamond of 10 carats.

Lauren McLemore

The flawless, Type IIa stone is estimated to achieve up to $2.8 million at the auction house’s high jewelry sale in April.

Lauren McLemore

The historic stone, which sold at Elmwood’s in London, is the largest white diamond to be offered on the U.K. market in more than a decade.

Lauren McLemore

The model and fashion editor’s gold evening bags were the top lots at the London sale, going for more than $25,000 each.

Lenore Fedow

The live fine jewelry auction will take place later this week, showcasing antique pieces, rare gemstones, and signed jewels.

Lauren McLemore

The largest white diamond to come to market in the U.K. in more than a decade, the VVS1, I-color stone is expected to top $1 million.

Lauren McLemore

The top jewelry lot of the late model’s estate sale, hosted by John Moran Auctioneers, was an Oscar Heyman & Brothers for Cartier necklace.

Lenore Fedow

The jewelry collection belonged to “one of society's most glamorous and beautiful women of the mid-20th century,” said the auction house.

Lenore Fedow

The estate of the model, philanthropist, and ex-wife of Johnny Carson has signed statement jewels up for sale at John Moran Auctioneers.

Lenore Fedow

The top lot of the year was a 1930s Cartier tiara owned by Nancy, Viscountess Astor, which sold for $1.2 million in London last summer.

Lauren McLemore