gem indentification

A Comprehensive Guide Gemstones are beautiful and valuable, but their beauty is often enhanced by how they are cut and shaped. In this guide, we will explore the different types of gemstone cuts and shapes and how they affect the appearance and value of the gemstones. Types of Gem Cuts: Gemstones come in a variety of shapes and sizes, and one of the most important factors in determining their value...

Clarity enhancements are treatments to a natural diamond that improves clarity. I will be writing about laser drilling to remove inclusions and sealants to fill cracks. Laser Drilling Laser drilling which has occurred since the 1980’s is used to laser into a diamond to create access to a diamond’s inclusion. The laser drills a small hole through the diamond to an inclusion. It is then placed in sulfuric acid to...

On March 11, 1988, the Centenary celebration of the DeBeers Company was being held in Kimberly Western Australia, to commemorate the closing of the “Big Hole”, the Kimberly Mine. A speech was given to celebrate the day and to announce, surprisingly, the find of a 599 carat diamond of top color having been found in the Premier Mine in South Africa. Dignitaries and representatives from national governments and the diamond...

The Premier Rose diamond was found in March 1978 at the Premier mine in South Africa and weighs 137.02 carats. It was graded by the Gemological Institute of America as flawless, D color. Like the Niarchos diamond, it made its way thru the various stages of mining until the final step, the grease table in the recovery plant. The grease table is a conveyer belt with grease which attracts diamonds....