Moss Agate
Moissanite
Salt & Pepper Diamond
Opal
Moonstone
Ruby
Morganite
Black Rutilated Quartz
Black Onyx
Sapphire
Green Blue Sapphire
Green Sapphire 
White Sapphire 
Pink Sapphire 
Amethyst 
Aquamarine 
Blue Topaz 
Blue Sandstone
Tanzanite 
Understanding IGI’s Diamond 4C Standards
One of the cornerstones of diamond evaluation is the 4C standards, a set of criteria that assesses a diamond's Cut, Color, Clarity, and Carat weight. In this article, we will delve into the intricacies of IGI's Diamond 4C standards, exploring each parameter in detail.
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