Core Insights - The article highlights the rising popularity of gold jewelry, particularly "gold-plated silver" products, amidst the historical high stock prices of Lao Pu Gold [1][5]. Group 1: Gold Jewelry Types - "Foot Gold" and "Thousand Foot Gold" differ primarily in gold purity, with "Foot Gold" defined as having a minimum gold content of 99% [2]. - The term "Thousand Foot Gold" has been removed from official standards since May 2016, consolidating all high-purity gold under "Foot Gold" [2]. - Innovations in production have led to the creation of "hard foot gold," which includes variations like "3D hard gold," "5G gold," and "5D gold," each differing in hardness and craftsmanship [3][4]. Group 2: Market Trends - Lao Pu Gold has seen a surge in demand, with reports of long queues at retail locations, likening it to the "Hermès of gold" due to its luxury positioning [5]. - The introduction of the "Hard Gold Jewelry" industry standard in May 2023 aims to clarify definitions and ensure a minimum purity of 99% and hardness of 60HV for hard gold products, benefiting both retailers and consumers [6]. Group 3: Gold-Plated Silver Products - "Gold-plated silver" products have gained traction due to their lower price point while visually resembling gold jewelry, although they face issues of non-compliance and misleading marketing [7]. - Consumers are advised to check purity markings on products, as genuine gold items will have specific identifiers, while "gold-plated silver" may lack such markings [7].