A Complete Manufacturing Guide by DVNJEWELRY (Est. 1944) Gold jewelry is not merely an ornament. It is metallurgy, chemistry, craftsmanship, cultural heritage, and financial value combined into one timeless material. At DVNJEWELRY, established in 1944, we have been manufacturing solid gold jewelry across multiple karat purities including 9kt, 10kt, 12kt, 14kt, 18kt, 21kt, and 22kt. With over 80 years of legacy and a solar-powered, women-empowered production facility, we understand gold not only as a luxury product — but as a scientific composition. This guide explains the real difference between 9kt, 14kt, 18kt and 22kt gold jewelry — from alloy science to durability, shade retention, hypoallergenic performance, and long-term value. Understanding Gold Purity: What Does “Karat” Really Mean? Pure gold is 24 karat (24kt), meaning it is 99.9% gold. However, pure gold is extremely soft and not suitable for everyday jewelry. To increase strength and durability, gold is mixed with controlled proportions of other metals such as copper and silver. This process is called alloying. Each karat level represents the percentage of pure gold in the final composition.