The Aurora Pyramid of Hope is the most comprehensive natural color diamond

Diamond

In mineralogy, diamond is an allotrope of carbon, where the carbon atoms are arranged in a variation of the face-centered cubic crystal structure called a diamond lattice. Diamond is less stable than graphite, but the conversion rate from diamond to graphite is negligible at ambient conditions...

 collection in the world. It was on public display at the American Museum of Natural History

American Museum of Natural History

The American Museum of Natural History , located on the Upper West Side of Manhattan in New York City, United States, is one of the largest and most celebrated museums in the world...

 in New York

New York

New York is a state in the Northeastern region of the United States. It is the nation's third most populous state. New York is bordered by New Jersey and Pennsylvania to the south, and by Connecticut, Massachusetts and Vermont to the east...

from 1989 to 2005 in the Morgan Hall of Gems. Aurora Pyramid of Hope was the centerpiece for the 1998 exhibition The Nature of Diamonds organized by the American Museum of Natural History which toured Japan, Canada and the U.S. In 2005 Aurora Pyramid of Hope was invited to participate in the exhibition Diamonds organized by The Natural History Museum of London. At that time 36 new specimens were added to the original 260 diamonds. Today Aurora Pyramid of Hope consists of 296 diamonds weighing a total of 267.45 carats (53.5 g).

All the colors of the spectrum

Spectrum

A spectrum is a condition that is not limited to a specific set of values but can vary infinitely within a continuum. The word saw its first scientific use within the field of optics to describe the rainbow of colors in visible light when separated using a prism; it has since been applied by...

 that diamonds exist in are represented in various shapes, saturations and modifiers including blue diamonds, pink diamonds, red diamonds, green diamonds, orange diamonds, purple diamonds, violet diamonds, yellow diamonds, olive diamonds and brown diamonds. Also represented are color changing chameleon diamonds. Aurora Pyramid of Hope was put together by Alan Bronstein and Harry Rodman over 25 years.

Aurora Pyramid of Hope is currently on display at The Natural History Museum

Natural History Museum

The Natural History Museum is one of three large museums on Exhibition Road, South Kensington, London, England . Its main frontage is on Cromwell Road...

of London.

External links

• http://www.auroragems.com
• http://www.nhm.ac.uk/visit-us/galleries/green-zone/vault/