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Diamond Guide

Explore our diamond guide, designed to provide valuable insights into the world of natural mined diamonds. Gain expert tips and knowledge from industry professionals.

Diamond Testing

The Presidium Multi Tester III identifies colorless diamonds and moissanites based on their thermal, while the Synthetic Diamond Screener II differentiates colorless natural mined and lab-grown diamonds.

Presidium Diamond tester
GIA certificate
Misleading Names

Fancy names intentionally used to mislead consumers into thinking they are a type of diamond. It is important to check the identification on the certificate as even non-natural mined diamonds are issued certificates.

Lab-grown Diamond

Cubic Zirconia

Moissanite

Fiorella

Lab-grown Natural Diamond

Rutile

Spinel

Diamond's 4Cs

The 4Cs are a universal standard of diamond grading, used to evaluate the quality of diamonds. The quality significantly influences the price of the diamond.

Diamond 4Cs
Gold Karat
Gold Karat

Be wary of the purity of gold and white gold. Silver-based alloys will likely turn yellow over time, while nickel-based alloys may trigger allergies.

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