Diamonds

Round Brilliant Cut Beauty and Light Performance

Round Brilliant Cut Beauty and Light Performance Part 1

  Round Brilliant Cut Beauty and Light Performance Part 1 Going back over 100 years, numerous efforts have been made ...
Read More
round diamond ring for acagemlab home

Round Brilliant Cut Beauty and Light Performance Part 2

Round Brilliant Cut Beauty and Light Performance Part 2 Going back over 100 years, numerous efforts have been made to ...
Read More
Diamonds Spectral Constellation banner

Diamond’s Spectral Constellation

Discover the  ‘Diamond’s Spectral Constellation’, also called the 'Spectral Reflection Pattern'.  Michael D. Cowing explains why the ‘Spectral Constellation/Reflection Pattern’ ...
Read More
History and Utility of Gemstone Reflection Pattern

History and Utility of Gemstone Reflection Pattern Generation and Analysis

  A contribution to knowledge in the field of diamond and gem optics, faceting, and design. It is a contribution ...
Read More

Gem Faceting Design Discoveries

Best/Ideal Round Brilliant Cut Diamond and Best Round Brilliant Cut Sapphire Many discoveries await in this work written for the ...
Read More

Gem Faceting Design Discoveries Abbrev in ‘Gemmology Today’

Many discoveries await in this work written for the twin worlds of ‘Diamond Cutting’ and ‘Gemstone Faceting’. Discover the attributes ...
Read More

Describing Diamond Beauty and Light Performance

The full text of the article is available here.
Read More

Objective Diamond Clarity Grading AI

          The Objective Diamond Clarity system is a form of Artificial Intelligence, (AI is the capability ...
Read More

Objective Diamond Clarity Grading

The diamond clarity grading scale used worldwide today was introduced by the Gemological Institute of America (GIA) in 1953. To ...
Read More