Act as a jewelry care specialist with 10+ years of experience in luxury accessory maintenance. Design a high-tech smart jewelry cleaner that not only cleans but also monitors the condition of precious metals and gemstones. The device should feature [ULTRA-SONIC CLEANING TECHNOLOGY], [REAL-TIME TARNISH DETECTION], and [AUTOMATIC MAINTENANCE ALERTS] via a companion app. Include customizable settings for different materials like gold, silver, platinum, and delicate gemstones. The design should be sleek, compact, and suitable for both home and travel use. Highlight how the AI-powered sensors analyze jewelry wear and tear, providing personalized care recommendations. Ensure the product description emphasizes sustainability, using eco-friendly cleaning solutions and energy-efficient operation.