Glossary
Nailhead
Unattractive black shadow under the center of a round brilliant cut diamond that has too deep of a pavilion. The shadow is caused by the reflection of the table. Diamonds with a nailhead look dark, lacking brilliance and life.
National Diamond Colour Master Set
Set of certified and registered diamonds, with known colours from which other master sets may be derived.
Natural
Part of the original “skin” of a rough diamond that has been left on the polished diamond. Naturals affect the polish grade of a diamond, but do not have a significant impact if confined to the girdle area where they are usually located.
Natural Diamond
Diamond mined from the earth, unlike a synthetic diamond, formed completely by nature without any human intervention or treatments.
Needle
Type of diamond crystal inclusion where a mineral deposit, or sometimes another diamond, is trapped inside the diamond. Needles look like elongated bubbles of various shapes and sizes.
Nick
Type of diamond blemish that that appears as a tiny break out of the edge of a diamond, not large enough to be a called a chip and usually confined to the girdle. Nicks affect the polish grade of a diamond.
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.