What is AD1-3 10k gold stand for?
AD1-3 10k gold refers to a specific alloy composition used in gold jewelry, where "10k" indicates that the gold is 10 karats, meaning it contains 41.7% pure gold mixed with other metals, such as copper or silver, to enhance durability. The "AD" likely signifies a brand or manufacturer's designation. The "1-3" could represent a specific quality or design code within that brand. Overall, this designation helps identify the jewelry's gold content and manufacturer.