The word “diamond” is derived from the Greek term "adamas,” which translates to "untamable,” highlighting the invincible characteristics of a diamond. Historians indicate that the trade of diamonds can be traced back to 4 BC. Numerous ancient civilizations held the belief that diamonds were physical representations of lightning on Earth. Historical records show that diamonds were believed to cure brain disorders, alleviate issues related to the pituitary gland, and remove toxins from the bloodstream. The initial rise in the popularity of diamonds occurred in India, where the Mughals and the Imperial Colony extracted them from deposits located along three major rivers. In contemporary times, diamonds symbolize everlasting love, which is the reason they are primarily linked to engagement rings.

Laser drilling, fracture filling, irradiation, annealing, HPHT treatment, and coating represent various methods for enhancing diamonds. Natural diamonds are typically more valuable and less common than treated diamonds, owing to their formation in the Earth's core and their intrinsic rarity. Diamonds can be cleaned effectively using lint-free cloths and commercial diamond cleaning products. Additionally, ultrasonic cleaning and steam cleaning methods are also considered safe for diamonds.