黄杨钿甜的耳环，为什么这么贵？

Core Viewpoint - The recent social media post by actress Huang Yangtian featuring a pair of luxury earrings from the brand GRAFF has sparked significant interest and discussion regarding the value and authenticity of high-end jewelry [1][6]. Group 1: Jewelry Details - The earrings worn by Huang Yangtian are part of GRAFF's classic butterfly series, featuring a pear-shaped emerald and round diamonds, with a total diamond weight of 7.55 carats and emerald weight of 12.52 carats [1]. - The earrings are reportedly priced at over 2.3 million yuan, as indicated by various sources, including second-hand platforms [2][6]. - GRAFF's customer service noted that emeralds typically require customization, taking approximately 12 to 17 weeks, and prices are not listed online, indicating a bespoke approach to luxury jewelry [2]. Group 2: Brand Background - GRAFF, founded in 1960 by Laurence Graff in London, is synonymous with high-end diamonds and gemstones, having established a reputation for exceptional quality and design [7][8]. - The brand has over 70 retail locations worldwide and is known for its unique and innovative designs, including legendary diamonds weighing over 100 carats [8]. Group 3: Market Position and Pricing - GRAFF's pricing strategy is influenced by the unique characteristics of each piece, including color, clarity, cut, and market fluctuations, leading to significant price variations even among similar items [15]. - The earrings' high value is attributed not only to the GRAFF brand but also to the inherent worth of emeralds, which are considered precious gemstones [17]. Group 4: Emerald Characteristics - Emeralds, known as the "king of green gemstones," are highly valued due to their rarity and the complex geological processes required for their formation, which can take millions of years [21][26]. - The primary sources of emeralds include Colombia, Brazil, Zambia, and Russia, with Colombian emeralds often regarded as the highest quality [27].