Carob seeds were used to weigh precious gemstones because they dried to a consistent weight.

Click for more diamond facts.

If you have any enquiries or comments about the website or its contents, please let us know via the feedback form

Media Contacts

US Media enquiries

Consumer and trade media:
David Bouffard
Telephone: +1 330 668 5369
Fax: +1 330 665 7944

Financial media:
ICR
441 Lexington Avenue
4th Floor
New York, NY 10017

Alecia Pulman
Telephone: +1 (646) 277-1200

UK Media enquiries

Consumer and trade media:
Faye Lovenbury
Telephone: +44 (0)20 8207 8338

Financial media:
Brunswick
16 Lincoln's Inn Field
London WC2A 3EP

Jonathan Glass/Zoe Bird
Telephone: +44 (0)20 7404 5959