The International Gold Standard: Purity, Metallurgy, and Application in the Gemstone Industry

Gold is a precious metal provided by nature, soft, rusty-free and resistant to discoloration. In metallurgy and gemology, jewelry making requires mixing gold with other metals to make it stronger. The proportion of pure gold is measured by carats (Karat - K), which are divided into 24 parts.

- 24K (99.9% or 999): Suitable for gold bars or investment, but rarely used to make jewelry, because the gold texture is soft and easy to deform.

- Thai gold (96.5%): Popular in Thailand, make traditional jewelry and use it as an asset.

- 22K (91.6%): Suitable for South Asia and Arabia region jewelry, contrasting at Gorgeous Dark Gold

- 18K (75%): High standard in upper-level jewelry. Good to inlay gems and put in everyday life.

- 14K (58.3%) and 10K (41.7%): Popular in fashion accessories, affordable and high durability.

Alloys can also modify colors, such as yellow, white, pink, from different metal combinations. Want to know, does anyone have an opinion or experience on each gold?