The object of color grading is Cape series diamonds, which are graded from colorless to light yellow according to color density. Colorless to light yellow with continuous color changes are artificially defined as a series of boundaries. These boundaries are also color levels, which represent a certain color density range. The higher the color level, [...]
Category Archives: Jewelry News
Gemology nowadays originated in the eighteenth century AD. Before that, humans in ancient times had known to decorate themselves with animal bones, shells, feathers, beautiful stones and other objects. With the development of history, different jewelry cultures have gradually developed. What can be called a gem? Simply put, all kinds of materials that can be [...]
The geological conditions of gem formation are different, and the distribution area of gems mainly depends on the properties of the rock mass formed by the gems. For example, diamonds are formed in Kimberlite, but not all Kimberlites produce diamonds. It still depends on whether the area has sufficient conditions for diamonds to grow; and [...]
Most of the transparent gems belong to the mineral group, while the transparent to opaque gems are mostly rock types. Organic gems are gems formed from animal bones, secretions or plant fossils. 1. mineral Mineral gems are formed in the earth's crust and have a fixed chemical composition and crystal form, and most of them [...]
The evolution of jewelry is represented by several well-known periods, each with its own unique style, derived from the influence of art and culture at that time. The jewelry of each period seems to be a microcosm of the culture at that time and has different meanings in different eras. ancient times Starting from the [...]
From the eighth century to the early thirteenth century, it was the early period of the medieval period. The jewelry culture during this period was mainly influenced by the Byzantine period, with the Byzantine court style as the mainstream. At that time, the wealth belonged to the church and was immediately restricted by the law [...]
At the beginning of the seventeenth century, the French power in Europe gradually rose, and the influence of the French royal family changed European court life and culture. The original skirt covered with jewels and supported by whale bones was changed to a low-cut, puffy sleeves. There are also big changes in the style of [...]
From the 1890s to the 19th century, the “Language of stone” (Language of stone) was popular in jewellery, where the letters starting with gems were spelled together, such as Lapis Lapis, Opal, Verleil, and Grandmother. The combination of green Emerald means love. The most famous example is the three bracelets that Napoleon gave to the [...]
The representative figure of the Art Nouveau period is the famous designer Rene Lalique (1845-1945). He used a lot of colored gemstones and enamels. Natural flowers, birds, insects, fish and other animals and plants often appear in his design works. Emphasis on delicate metal craftsmanship changes people's concept of jewelry. It is not necessary to [...]
The Seven Treasures of Buddhism: Seven precious metals and gems, including gold and silver, colored glaze, citadel, agate, pearl, amber, and coral, are listed as the seven most spiritual treasures in many Buddhist scriptures. Gold and silver are history The oldest and most widely used precious metal; colored glaze is a kind of bead or [...]