Joel Arthur Rosenthal (JAR), pair of diamond earrings. Photo courtesy Hancocks

Distinctive tapering drop earclips designed as a row of graduated oxidised aluminium and gold discs each with a diamond-set border and trefoil decoration at intervals; 584 brilliant and single-cut diamonds, 22 carats approx. Oxidised aluminium and yellow gold, marked OR 750; 7.50cm; weight: 48.10gm. Price: £250,000 to £500,000

Made by JAR for San Francisco grande dame ‘Dodie’ Rosekrans. Mrs Rosekrans was an international society hostess, haute couture collector and fine arts supporter. She died aged 93 in 2010 with a reputation worldwide for her philanthropy, fashion sense, graciousness and party-hosting.

Hancocks. 52/53 Burlington Arcade, London 
UK, WIJOHH. Phone: 44 7493 8904 - E-Mail: info@hancocks-london.com