Core Insights - The latest prices for gold and platinum from China Gold stores are 1029.00 CNY per gram for gold and 445.00 CNY per gram for platinum, indicating a fluctuation in market prices [7]. Group 1: Gold and Platinum Pricing - The current price of gold is 1029.00 CNY per gram, while platinum is priced at 445.00 CNY per gram [7]. - Prices are subject to change and should be verified at local China Gold stores for accuracy [7]. Group 2: Gold Jewelry Characteristics - Gold jewelry purity is typically expressed in parts per thousand, with 24K gold being 99.9% pure [3]. - The manufacturing processes for gold jewelry include casting, forging, carving, and setting, which affect the appearance, durability, and price of the jewelry [3]. - Jewelry can be categorized based on whether gemstones are set, including embedded gemstone jewelry, purely decorative gemstone jewelry, and pure gold jewelry [3]. Group 3: Maintenance of Gold Jewelry - To maintain gold jewelry, it is advised to avoid exposure to chemicals such as perfumes, detergents, and cosmetics, which can cause discoloration [3]. - Regular cleaning with a soft cloth and gentle soap is recommended, and jewelry should be checked monthly for maintenance [3].

Core Insights - The gold market is experiencing fluctuations in prices, with various jewelry brands announcing their new prices for gold, platinum, and gold accessories [1] - Proper maintenance of gold jewelry is crucial for preserving its luster and extending its lifespan, which is a key focus for collectors and enthusiasts [2] Maintenance Guidelines - It is recommended to remove gold jewelry before using household cleaners or applying cosmetics that contain chemical substances, as these can cause corrosion and dullness [2] - High volatility substances like perfumes and hairsprays should be kept away from gold jewelry to prevent irreversible discoloration [2] - Gold jewelry should be stored in a dry, cool place to avoid oxidation and damage from moisture [3] Gold Purity Standards - Gold purity is indicated in percentage or parts per thousand, with "Au99.95" representing 99.95% gold content and "Au999.9" indicating an impressive 999.9‰ purity [4] Price Overview - As of September 11, 2025, the following are the reference prices for gold and platinum from various brands: - Chao Hong Ji: Platinum at 554 CNY/gram, brand gold at 1073 CNY/gram, brand gold bars at 952 CNY/gram [5] - Gold Supreme: Same prices as Chao Hong Ji [6] - Liufuk Jewelry: Same prices as Chao Hong Ji [7] - Zhou Dasheng: Platinum at 554 CNY/gram, brand gold at 1073 CNY/gram [8] - Zhou Liufu: Platinum at 551 CNY/gram, brand gold at 1038 CNY/gram, brand gold bars at 952 CNY/gram [10] - Zhou Dafu: Brand gold bars at 952 CNY/gram [10] - Zhou Shengsheng: Brand gold bars at 1008 CNY/gram [11] - Lao Fengxiang: Platinum at 470 CNY/gram, brand gold at 1073 CNY/gram, brand gold bars at 1023 CNY/gram [11] - Lao Miao Gold: Platinum at 470 CNY/gram, brand gold at 1071 CNY/gram, brand gold bars at 1026 CNY/gram [11]