If you don't often go to the market to get in touch with physical objects, no matter how many books you read or how many courses you take, it's all an armchair strategist.

The ability to distinguish between the true and the false, and then to distinguish between the good and the bad, the artistic appreciation is gradually enhanced.

Enthusiasts should draw inferences from others and study the main factors that determine the value of similar jewelry.

If you don't often go to the market to compare, you will never get experience when you feel it, and your ability will be accumulated bit by bit.

At the same time, you need a teacher or a book to sum up your study.

There are many courses in jewelry.

GAC course: 1. Basic theory of gemology: crystallography and mineralogy; Crystal optics; Mineral chemical composition of gemstones; Mechanical, electrical and thermal properties of gemstones; Gemstone color theory; The use principle and method of gem identification instrument; Identification of synthetic and processed gemstones. 2. Gems: the basic properties and identification knowledge of diamonds, colored gems, organic gems, jadeite and jade. 3. Practical course of gem identification skills. 4. Simulated exams and intensive training before exams.

The third part of GIC certificate course, but you can choose it separately. After passing the exam, you will get a diamond grading certificate. According to international standards, this course focuses on the diamond 4C grading theory, and pays attention to the skills and techniques of grading with 10 magnification magnifying glass for training. The main contents include: diamond formation and resources, diamond properties, cutting and grinding technology, cutting classification, carat weight, color classification, clarity classification, diamond optimization, synthetic diamond, diamond imitation, diamond 4C classification standard, diamond inlay classification, diamond trade survey, diamond evaluation and certificate. The face-to-face teaching time of the course is 160 class hours.

NGTC course: certificate course of gem identification and evaluation? Basic knowledge of jewelry and jade, identification of authenticity of jewelry and jade;

Grade evaluation and evaluation of jewelry and jade; Comprehensive evaluation of diamond color, clarity, weight and cutting quality (4C); Basic knowledge of precious metal jewelry evaluation.

FGA course: the essence, formation and appearance of gems; Structure and characteristics of gemstones; Color and optical characteristics of gemstones; Optical characteristics of gem detection: electromagnetic spectrum used for gem detection; Visible spectrum and spectroscope; Non-optical characteristics and detection technology; Magnifier technology and external characteristics; Gem polishing; Artificial, synthetic and imitation gems; Processing gems and processing methods; Introduction of inorganic gemstones; Introduction of organic gemstones.