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Showing 15 results for "chameleon diamonds"
GemCad View of the French Blue Enclosed Within the Tavernier Blue
A Crystallographic Analysis of the Tavernier Blue Diamond

This study uses both historical information and modern data to create a computer model of the Tavernier Blue, orienting the finished diamond within the original diamond crystal.

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Harry Winston: A Story Told in Diamonds

An overview of some of the most fabulous and famous diamonds that Harry Winston has known.

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The Rise to Prominence of the Modern Diamond Cutting Industry in India

this article reviews the rise of the modern diamond cutting industry in India and its impact on the world diamond trade

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Fingerprinting of Two Diamonds Cut from the Same Rough

With the information from a combination of tools now available, the sophisticated gemmologist can fingerprint a given stone.

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A Foundation for Grading the Overall Cut Quality of Round Brilliant Cut Diamonds

The GIA diamond cut grading system described here includes the components of brightness, fire, scintillation, polish and symmetry, as well as weight and durability concerns, into a single overall grade for cut quality for standard round brilliants.

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The Cullinan Diamond Centennial: A History and Gemmological Analysis Of Cullinans I And II

Eight decades after the Cullinan diamond was mined, a team of gemmologists examined the two famous gems that were created from it to become part of the Crown Jewels of England.

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Jewellery of the 1980s: A Retrospective

Fluctuations in the diamond market brought a new focus in jewellery on small diamonds and coloured stones.

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Computer Rendering of the “French Blue” Diamond
The French Blue and the Hope: New Data from the Discovery of a Historical Lead Cast

With the use of modern tools and technology, this article sheds light on the history and provenance of both the French Blue and the Hope diamonds.

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Gerd Dreher agate lily and Patrick Dreher citrine mouse
Gem Virtuosos: The Drehers and Their Extraordinary Carvings

A look at the artistic heritage of the Drehers, an influential family of gem carvers in Idar-Oberstein, Germany.

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Jewels of the Edwardians

Although the reign of King Edward VII of Great Britain was relatively short (1902-1910), the age that bears his name produced distinctive jewellery.

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