AGS Diamond Certification – BasicsThe American Gem Society Laboratories (AGSL) operated for over a quarter of a century, opening in 1996. AGSL ceased operations in 2022, absorbed by the Gemological...
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GIA Diamond Certification
You might be surprised to learn that a ‘GIA certificate’ doesn’t really certify anything. It’s a widely used nickname for a grading report issued by the Gemological Institute of America (GIA). The ...
Cubic Zirconia (CZ) vs Diamond
Diamond and cubic zirconia (CZ) may look similar at first glance, but any similarity ends there. They have dramatic physical properties. Their value propositions are entirely different, and one of ...
Moissanite vs Diamond
Moissanite vs DiamondMoissanite is a diamond simulant, meaning that it simulates the aesthetics of a gem-quality diamond while having different optical, physical, and chemical properties. Natural m...
Ultimate Diamond Buying Guide 2023
Ultimate Diamond Buying Guide 2023 Introduction This Ultimate Diamond Buying Guide will cover all of the materials you should consider before buying a diamond in 2023. The guide will do all of ...
Diamond Proportions
Diamond Proportions: Modern Round Brilliant Cuts The physics of light-behavior within a diamond are reliably consistent, which means proportions measurements can be used to draw certain conclusion...
Diamond Beauty and Eyesight
Diamond Beauty and Eyesight - Basics How perceptive are you? Do you have perfect pitch? Are you tone-deaf? Somewhere in-between? Do you perceive tannic differences in cabernets - or does red wine ...
Diamond Fire and Dispersion Explained
Diamond Fire and Dispersion - Basics What is fire in a diamond? Wondering which of the many diamond colors is best for you? Our elite list of vetted vendors like Whiteflash and James Allen ar...
D Color Diamond
Basics - D Color DiamondThe D color diamond is the undisputed queen of color. When paired with flawless or internally flawless clarity and a top cut grade there is no higher pedigree in the diamond...
F Color Diamond
F Color Diamond - BasicsAn F color diamond falls into the rare colorless range, just above the border of near-colorless. It benefits from icy visual whiteness without commanding the premium of D o...