Odeon Collection

Zodiac: A 1970s Collecting Guide

How Van Cleef & Arpels and Cartier answered the 1970s astrology craze in gold — and why a Georges Lenfant mark now matters as much as the maison's own.

Oscar Heyman & Brothers: The Jewelers' Jeweler

For most of the twentieth century, Oscar Heyman & Brothers made jewelry that carried other names. The trade knew better.

How to Start a Jewelry Collection

A practical guide to building a fine jewelry collection — starting with heirlooms, adding a first Victorian piece, and learning the classics every collection benefits from.

Antique Diamonds Explained

Why antique diamonds are trending again — the real history behind old mine and old European cuts, the open culet, and why these stones were made for candlelight.

Van Cleef & Arpels and the Art of Transformability

Van Cleef & Arpels spent a century engineering jewels that could become several — the Zip, the Passe-Partout, and the sautoirs of the 1970s among them.

JAR

There is no sign on the door at 7 Place Vendôme, and that has always been the point. Joel Arthur Rosenthal built the most private, most exclusive name in jewelry — the true connoisseur's jeweler.