Custom design jewelry often leaves you speechless intriguing by its beauty and uniqueness. Perfection materializes in precious metal and gemstones. But do you know what stands behind it? Let’s learn some basics!

When choosing a piece of jewelry you often hear that, say, a diamond on top of its measures 4 or 8 carats. What is a carat?

Carat is a unit of mass that equals to 200 mg (0.2 g). The carat could be further divided into one hundred points of two milligrams each. The word carat came from Italian carato and initially it was not used to measure gold. In the past, each country had its own carat. Starting in the 1570s, it was used to measure weights of diamonds. The current definition, sometimes known as the metric carat, was adopted in 1907.