Recent Posts About Yellow Diamonds


Diamond colors

March 3, 2018

The Origin of color grades Color is a defining factor while valuing diamonds. It can range from colorless to yellow, brown,  and so on. The more colorless a diamond, the greater its rarity and value. The individual colors of diamonds were classified and described very early on. In the United States, the country with historically the …

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What is HPHT( High Pressure High Temperature) diamonds or HPHT process?

March 7, 2017

While the industry’s primary concern was the transformation of brownish diamonds into colorless stones, a number of yellow, yellow-green, and greenish-yellow High Pressure High Temperature (HPHT) treated diamonds were also introduced. These stones sparked less of a furor because their color was distinctive enough to raise questions, and could be readily identified by a major …

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April Birthstone – Diamond

November 18, 2016

Diamond scores #10 on the Mohs scale, and good is to excellent in toughness. Sources are South Africa, Australia, Brazil, Botswana, China, Canada, Ghana, Guyana, Indonesia, India, Namibia, Sierra Leon, Tanzania, Democratic Republic of the Congo, United States, Venezuela.  India was the world’s only major source until the 18th century. Then Brazil’s alluvial deposits were discovered …

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