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]

Core Viewpoint - The article discusses the differences between 18K and 24K gold jewelry, highlighting their unique characteristics, uses, and consumer preferences. Group 1: Gold Content and Value - Gold content, measured in karats (K), determines the purity and value of gold jewelry. 24K gold is pure gold with a content of 99.9% or higher, while 18K gold contains approximately 75% gold and 25% other metals [1][4]. Group 2: Color Variations - 24K gold has a pure yellow color that exudes luxury and elegance, making it suitable for high-end jewelry [7]. - 18K gold offers a variety of colors, such as rose gold and white gold, appealing to consumers seeking personalized styles [9]. Group 3: Hardness and Durability - 24K gold is relatively soft and prone to deformation, requiring careful maintenance to avoid scratches and damage [11]. - 18K gold has a moderate hardness, making it more suitable for intricate designs and everyday wear, as it is more durable and resistant to damage [13]. Group 4: Uses and Applications - 24K gold is often viewed as an investment and is suitable for collectors due to its high purity and value retention [16]. - 18K gold is more appropriate for daily wear, offering a balance of style and affordability, making it accessible to a broader audience [17]. Group 5: Price Considerations - 24K gold is expensive due to its high gold content, and consumers should be cautious of counterfeit products when purchasing [19]. - 18K gold is more affordable, appealing to consumers looking for stylish options without a significant financial burden [21]. Group 6: Fashion Pairing - 24K gold jewelry is ideal for formal occasions, enhancing the wearer's status and elegance [23]. - 18K gold jewelry is versatile for everyday outfits, easily complementing various styles and occasions [24]. Group 7: Maintenance Tips - Regular cleaning with appropriate jewelry cleaners is essential to maintain the luster of both 24K and 18K gold [26]. - Avoiding collisions and storing jewelry properly can prevent deformation and scratches [27]. - Professional repairs should be sought for any damage to ensure the longevity of the pieces [29].