Scientific guide about black diamonds

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Группа авторов. Scientific guide about black diamonds

Introduction

The largest black diamonds in history

Ordinary black diamonds

Pique diamonds

Carbonado diamonds

Lonsdaleite

Enhancement, diamond treatment and imitations of black diamonds

Synthetic black diamonds

Methods of authentication

Inference

Bibliography

Отрывок из книги

Nowadays, good quality and large black diamonds are rare and highly valued. In the past, black diamonds were not considered precious gems, and they could be bought for 5-10 dollars per carat. Now they can cost more than colorless or colored diamonds with equal weight characteristics.

Let's take a closer look at some of the most famous black diamonds, starting with the largest one.

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Its owner is the jewelry house Louis XV, whose salon-store exhibited the necklace with the black diamond Prince of Johannesburg throughout 2007, then announced its sale, and experts estimated this decoration at $5 million.

Korloff Noir

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