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A to Z of Diamonds GlossaryClick here to return to FAQ IndexChard 24 Carat Home Page

Diamonds Index
Round Brilliant Cut Diamond
Round Brilliant Cut Diamond

A to Z of Diamonds Glossary
Alphabetical list of main words and terms relating to diamond or diamonds, containing over 600 entries, with definitions, explanations and links to more detailed information.

EGL, E.G.L., European Gemological LaboratoryEuropean Gemological Laboratory claims to be an international independent leader in diamond grading and training for all diamond business solutions.
Eight CutAlso called "single cut". Diamonds, usually small, with only 18 facets instead of the full 58 on a brilliant cut.
EightsThe first eight facets cut on each of the crown and pavilion of a diamond, placed or ground by a "blocker".
Element SixThe name of the former De Beers Industrial Diamonds group of companies. "Element Six" is a reference to carbon's atomic number 6.
Emerald CutA square of rectangular shape with cut (mitred) corners, forming an eight sided figure (octagon), and step cut; derives it name because it is the commonest shape of cut for emeralds. Looks glassy, and modern facetting styles such as radiant cut produces more brilliant and attractive stones.
EngagementDe Beers advertising over the last century has established a "tradition" that a woman should receive a diamond ring as an engagement symbol.
Enhance, Enhanced, EnhancementTo improve the colour or clarity of a diamond in some manner. See colour enhancement or clarity enhancement.
Eppler CutEppler devised the specifications for this "Practical Fine Cut" in 1939.
EternityDe Beers have extended the diamond engagement ring "tradition", by brainwashing us to believe that a diamond eternity ring should also be a tradition on the first wedding anniversary, or the birth of a first child.
EurekaThe name of a famous diamond.
European CutA European version of "ideal" cut used and preferred in Europe following the research of Tolkowsky and others.
Extra FacetAn additional facet polished onto a diamond, usually to remove a "natural" or small surface blemish.
Exceptional WhiteThe name of the top colour in the CIBJO colour grading scales, equating to D and E colours in the GIA scale.
Eye CleanNo visible inclusions with the naked eye, therefore at least SI in clarity.

There are currently over 600 entries in this table.
Over 90 of them have page links to a page on this site. Eventually, we intend to add a more complete description for most entries, each on its own page. Please watch this space! the Lowest Possible Price

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