A loupe is essentially a magnifying glass specifically designed for viewing gemstones. Loupes are available in a variety of magnifications, for instance, seven times magnification indicated as 7X, ten times magnification indicated as 10X, 20 times magnification indicated as 20X.

The world standard for loupe magnification when viewing diamond is 10X and therefore is the loupe most used in the industry when viewing diamond and as a result, in most cases, coloured gemstones. To view the full article, click here. Loupes