The stone features rare step-cut faceting and is estimated to sell for up to $3.5 million.

Lauren McLemore

The auction house sold all 11 watches from the “Rocky” star’s collection, with his Patek Philippe Grandmaster Chime setting a new record.

Lauren McLemore

A tie necklace from Van Cleef & Arpels and a pinkish purple diamond are highlights of the upcoming New York jewelry auction.

Lauren McLemore

IGI can surpass your expectations when it comes to elevating your brand, protecting your business, training staff and more.

The fancy intense pink “The Eden Rose” is estimated to sell for up to $12 million at the New York “Magnificent Jewels” sale next month.

Michelle Graff

Sotheby’s will auction jewelry belonging to the “Diamonds Are Forever” singer in Paris this October.

Lauren McLemore

This little guy’s name is Ricky and he just sold for more than $200,000 at Sotheby’s Geneva jewelry auction.

Michelle Graff

As the demand for lab-grown diamond jewelry may still be increasing, the most notable change we are likely to see is price stabilization.

Though its website has been down for a week, Christie’s proceeded with its jewelry and watch auctions on May 13-14, bringing in nearly $80 million.

Lauren McLemore

Despite the absence of “The Allnatt,” Sotheby’s Geneva jewelry auction totaled $34 million, with 90 percent of lots sold.

Lenore Fedow

The “Argyle Phoenix” sold for more than $4 million at the auction house’s second jewels sale.

Lauren McLemore

Christie's is selling one of the diamonds, moving forward with its Geneva jewelry auction despite the cyberattack that took down its website.

Lenore Fedow

The late former U.S. Secretary’s collection went for quadruple the sale’s pre-sale estimate.

Natalie Francisco

The highlight of his collection is the coveted Patek Philippe Grandmaster Chime, which could sell for up to $5 million.

Lenore Fedow

Elvis Presley gifted this circa 1967 gold and diamond watch to Dodie Marshall, his co-star in “Easy Come, Easy Go.”

Michelle Graff

Hosted by Freeman’s | Hindman, the sale will take place May 7-8.

Lauren McLemore

The auction house said all 24 timepieces offered in its underground sale of rare and avant-garde watches quickly found buyers.

Michelle Graff

Colored gemstones and signed jewels are the focus of its upcoming Geneva sale.

Lauren McLemore

The auction will take place Thursday and is underground, literally.

Michelle Graff

The brilliant-cut fancy vivid yellow stone sold for $1.1 million.

Lauren McLemore

Elvis gave the watch to actress Dodie Marshall after filming “Easy Come, Easy Go.”

Michelle Graff

It’s estimated to sell for up to $1.3 million at the upcoming sale on March 28.

Lauren McLemore

A Harry Winston diamond necklace and other top lots failed to find buyers.

Lenore Fedow

The upcoming sale features iconic styles from Bulgari, Cartier, David Webb, JAR, and Van Cleef & Arpels.

Lenore Fedow

The auction house sold all 11 “MoonSwatch Moonshine Gold” suitcases, donating the proceeds to eye care nonprofit Orbis International.

Lenore Fedow

Two Cartier watches also topped their estimates at Christie’s “The Collection of Sir Elton John: Goodbye Peachtree Road” evening sale.

Michelle Graff

Sebastian Clarke and Katherine van Dell, frequent appraisers on “Antiques Roadshow,” will join the new office.

Lenore Fedow