Loupe

Any small magnifying glass mounted for hand use, to hold up to the eye socket or attach to a pair of glasses.

Inclusion

“Internal characteristics” apparent to a trained or professional eye at 10x magnification. Inclusions can be bubbles, crystals, carbon spots, feathers, clouds, pinpoints, or other impurities, or even cracks and abrasions. They are what make a diamond so...

Hearts and Arrows

Heart and arrows cut diamonds are precision cut variations of the traditional 57 faceted round brilliant cut. They are cut to “ideal proportions” with superior optical symmetry, polish and a specific faceting pattern. When all these factors are in harmony the result...

Growth or Grain Lines

These can be considered internal flaws, and can often be seen only by rotating the diamond very slowly. They can appear and disappear almost instantaneously. They appear as small lines or planes within the diamond.