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Read the code of the Eternal Light

Since its founding in 1939 by the Gemological Institute of America (GIA), the 4Cs of diamonds, the "king of gemstones", have become the universal standard of the global diamond industry. Carat is not only a unit of weight

2025

How to judge the origin of sapphire

The color, transparency, color saturation, and shape of the stone will be affected by the origin of the gem. These differences are derived from the different geographical environments given to the formation of gems by different origins. To be as accurate as possible to distinguish the origin of the gem requires a professional spectrometer, or a microscope to distinguish the unique inclusions. However, in general, there are still many gems from different origins that can be judged by the naked eye. I will introduce the characteristics of sapphires from different origins.

2024

Corundum Crystals and Chemical Elements

Sapphires and their close relatives, rubies, belong to the corundum mineral. In gemmology, a "species" is a mineral with a well-defined chemical formula and a specific three-dimensional structure. Different varieties of corundum differ in color, transparency, internal characteristics and optical phenomena. As a type of corundum, sapphire is available in a variety of colors, except red. In essence, rubies are red sapphires because they belong to the same type of corundum, just different varieties.

2023

Beryllium Diffusion of Gems: The Evolution of Beauty

The beryllium diffusion technique of gemstones is a method to improve or change the color and appearance of gemstones by using beryllium. This technology was discovered in the early twentieth century and revolutionized the gem industry. This article will detail the origin of beryllium diffusion, identification methods, and the ways in which they can change and judge the quality of gemstones, leading the reader to an in-depth understanding of this fascinating topic.

2023

Basic Understanding of Sapphire

Sapphire Sapphire, known as the "stone of the sky", is the blue category of corundum, which is blue because it contains a small amount of iron and titanium. In the West, sapphire has long been regarded as a representative of compassion, gentleness and loyalty, so Western women like to use sapphire as an engagement ring (Engagement Ring) to look forward to their love and marriage unchanged. The traditional engagement ring of the British royal family is a sapphire ring. Sapphire is one of the few gems suitable for both women and men. About 50% of the people want sapphire besides diamonds.

2023

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Read the code of the Eternal Light

How to judge the origin of sapphire

Corundum Crystals and Chemical Elements

Beryllium Diffusion of Gems: The Evolution of Beauty

Basic Understanding of Sapphire

< 1 2 > proceed page

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