AFG has made a name for itself in Limbe ever since we opened the doors in 2020, when Armando Ferreira turned a passion into a thriving business. Today, there’s no better place to buy or sell precious stones and metals, or to get an unbiased, honest appraisal. Come and visit our office or view our inventory online or in Person.
COLOR
Color is typically the most important value-setting factor for gemstones and Color is composed of three dimensions: hue, tone, and saturation.
CLARITY
A gemstone's clarity grade is directly related to its rarity, Clarity characteristics include inclusions, which lie within the stone, or blemishes, which lie on the surface of a gem
CUT
Cut refers to the shape or design of a stone, arrangement of facets, as well as the precision of the stone's proportions and finish. the cutting process reveals the beauty of a gem.
CARAT WEIGHT
The size of a gemstone is measured, not by its dimensions, but by weight. One carat, the traditional unit of measurement for gemstones, is equal to approximately 0.2 grams.
Rarity
The 4 C's above and the various combinations of color, clarity, cut and carat weight are primary elements in determining the value and rarity of a gemstone.
Clarity Grades
Type I
Usually eye-clean with no clarity characteristics visible to the unaided eye
Type II
Typically shows some eye-visible clarity characteristics that do not detract from the overall beauty of the gem.
Type III
Almost always contain eye-visible clarity characteristics.