Glossary
Abraded Culet
The sharp point at the bottom of the diamond can become damaged and worn away with wear. An abraded culet can look “fuzzy” under magnification, and affect the polish grade of a diamond.
Abraded Facet Edge
The sharp edges where diamond facets meet can become damaged and worn away with wear. An abraded facet edge can look “fuzzy” under magnification, and affect the polish grade of a diamond.
Abrasion
Type of blemish that looks like a bruise or scratch on the surface of a diamond. Abrasions can affect the polish grade of a diamond.
Adamas
Archaic Greek word from which the word ‘diamond’ is derived. Adamas means ‘indestructible’.
Annealing
Treatment to artificially enhance the colour of a diamond with a slow-heating process. Irradiated diamonds are usually annealed to further modify or enhance their colour.
Appraisal
Written estimate of the approximate retail replacement value of a diamond or piece of diamond jewellery. An appraisal is not a diamond certificate or diamond grading report.
The diamond trading floor that gives all diamond buyers direct access to DCLA guaranteed diamonds from Australian diamond dealers.
latest news
Wednesday 14 July, 2010
INTERNATIONAL DIAMOND COUNCIL RELEASES IDC RULES IN RUSSIAN
The International Diamond Council (IDC) released the Russian translation of the "IDC Rules for Grading Diamonds" today in Moscow, on occasion of the 34th World Diamond Congress, the biennial congress of the World Federation of Diamond Bourses (WFDB) and the International Diamond Manufacturers Association (IDMA).
Thursday 1 July, 2010
ZIMBABWE DEFIES BAN OF MARANGE DIAMONDS
Zimbabwe’s government has resolved to defy a diamond sale ban ruled by the world approving authority, the Kimberly Process and will now begin exporting diamonds from its Chiadzwa fields.
Monday 10 May, 2010
DIAMOND PRICE INDEX PUBLISHED FOR CONSUMERS
For the first time ever, diamond jewelry consumers are going to have a diamond retail benchmark that will guide them in how much they should pay for a diamond.