The “Kat Florence Luminas” will be offered together as one lot and could fetch up to $637,000.

Lauren McLemore

Ken Citron joins the celebrity memorabilia-focused auction house ahead of its first week-long series of events in Abu Dhabi.

Michelle Graff

With high durability and a wide range of colors to choose from, sapphires may be the ultimate birthstone, Gizzi claims.

Amanda Gizzi

Experience gemstones with greater precision and comfort than ever before.

A lifelong practitioner of Pilates, Gabrielle looked to the springs’ tension and suspension when creating this ring, our Piece of the Week.

Natalie Francisco

The auction house has promoted Remi Guillemin, formerly its head of watches for the Americas and EMEA, to the role.

Lauren McLemore

The British actor, known for his roles in “Twilight” and “The Odyssey,” will star in a campaign for the Master Control Chronometre.

Lauren McLemore

Submit your pieces for a chance to win in this year's competition.

The “Confetti Disco,” “Champagne Cheers,” “Tuxedo,” and “Classic Punk” jewelry collections each capture a distinct spirit of celebration.

Natalie Francisco

Cat ladies of the jewelry world, unite. Sandy Lerner’s “significant” collection of cat jewelry and other objects is going up for auction.

Michelle Graff

The stainless steel Patek Philippe “Calatrava” watch from the 1930s sold for nearly $80,000 at a recent Hansons Cornwall auction.

Lenore Fedow

The “Worn Well” collection is Catbird's take on classic men's jewelry.

Natalie Francisco

This Buddha Mama butterfly is our Piece of the Week honoring the legend, who embraced the beautiful insect as her symbol.

Michelle Graff

The second iteration of the jewelry collection was inspired by the zodiac and the four elements: earth, water, air and fire.

Lenore Fedow

The campaign highlights the asymmetrical high jewelry necklace style that the jeweler first created in 1879.

Natalie Francisco

The jeweler partnered with the Tennessee resort to honor its 50th anniversary with limited-edition blackberry pendants and earrings.

Natalie Francisco

The “Empresses” capsule uses 19th-century medals depicting Napoleon, Joséphine, and Marie-Louise across five one-of-a-kind pieces.

Natalie Francisco

Daniel Bing was formerly the marketing director for the Americas at Vacheron Constantin.

Lauren McLemore

In our Piece of the Week, the designers reimagine the tennis bracelet with green enamel wrapped around a strand of “Desert Diamonds.”

Natalie Francisco

The Verdura brooch, which belonged to the late Virginia Fortune Ryan Ogilvy, was sold to a private collector in Asia.

Lenore Fedow

Marquise-cut diamonds in drop charms are the center of the new collection, reflecting the movement of a dancer in modular styles.

Natalie Francisco

The reimagined jewel, our Piece of the Week, trades the diamonds in the original 1998 design for blue, pink, yellow, and green sapphires.

Natalie Francisco

The 22-karat gold egg, sold at Batemans Auctioneers in the U.K., was part of a 1980s treasure hunt ad campaign for Cadbury Creme Eggs.

Lenore Fedow

The expanded collections now feature hand-cut gemstones like topaz, tanzanite, chrysoprase, chalcedony, smoky quartz, and fire opal.

Natalie Francisco

The brooch was owned by Virginia Fortune Ryan Ogilvy, who served as a lady of the bedchamber to Queen Elizabeth II for nearly 50 years.

Lenore Fedow

The brand also added two one-of-a-kind brown diamond pieces to the “Sanssouci” series of its “Gardens” collection.

Natalie Francisco

The “Star Gazer” pendant, our Piece of the Week, is Syna’s tribute to curiosity and the discovery of something new.

Natalie Francisco