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Diamond Terms L

~ Diamond Terminology from A to Z ~

There are thousands of terms being used in today's jewelry industry. Some common knowledge, others are obscure and baffling. We've created a database of terminology from A to Z to make it easy, and of course if you still have questions, please do not hesitate to send us an email or give us a call.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Lab Created

Used to describe a gem that has been created mimicking the natural forces of nature in a lab setting.

Lapidary

A person who cuts, polishes and/or engraves gems. Or can also be used as an adjective meaning "suitable for engraving" usually referring to a diamond or gem.

Laser Drilling

Term used to describe when a beam of amplified radiation, or laser if you will is directed into a diamond to vaporize an inclusion. Very often seen in enhanced diamonds. Often leaving a single tiny microscopic hole in the diamond. After this process a glass like material is injected into the hole to fill it up. With the hole filled up, the inclusion is gone, and the diamond looks incredibly better, or at least it should.

Laser Identification

Used by Gemologists such as GIA, EGL to laser inscribe a identification number so microscopic that you would never be able to see it with your naked eyes. The ID number is used for verification purposes to identify that the diamond is in fact the diamond that was graded. Also used in diamond theft to prove a diamond was stolen or not.

Lever back

It's the lever in the back of necklaces, pendants, and bracelets that you push down or up to connect the two ends together to fit around the neck, wrists or ankles.

Link

The ability to combine any sort of objects together to form a chain

Living Jewelry

If you own a pearl than you own living jewelry. It's any jewelry that is made out of anything that was once alive.

Loupe

A loupe is a small magnifying glass set in-between metal used by professional jewelers and watch makers. It's magnification of 10x allows diamond jewelers to see with precise accuracy into the clarity of the diamond. If you can see any inclusion with the naked eye in a diamond then it's clarity will be SI2, I1, I2, or I3. If when you look at the diamond, and you can't see anything with your naked eye, but can immediately with the loupe, then most likely it's clarity will be Si1, or VS2. If you look into the diamond through the loupe and really have to search for an inclusion then you're looking at a clarity rating of IF, VVs1, VVs2, or Vs1. If you still can't see anything under a microscope, or loupe then it's considered a FL...which is considered perfect.

Luster

A gentle sheen or soft glow on a gem or diamond.