{"product_id":"gem-reports-imperial-appraisal-center","title":"Gem Report - Imperial Appraisal Center","description":"\u003cp data-path-to-node=\"0\"\u003eThe \u003cb data-path-to-node=\"0\" data-index-in-node=\"4\"\u003eImperial Appraisal Center\u003c\/b\u003e (known in Japan as \u003ci data-path-to-node=\"0\" data-index-in-node=\"49\"\u003eTeikoku Houseki Kansetsusho\u003c\/i\u003e) is a venerable institution within the Japanese gemstone industry. While it is a private laboratory, its name—\"Imperial\" (\u003ci data-path-to-node=\"0\" data-index-in-node=\"199\"\u003eTeikoku\u003c\/i\u003e)—reflects the era of its founding, when the term was used to signify the highest possible standard of national prestige and reliability.\u003c\/p\u003e\n\u003ch3 data-path-to-node=\"1\"\u003eHistory and Foundation\u003c\/h3\u003e\n\u003cul data-path-to-node=\"2\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,0,0\"\u003e\u003cb data-path-to-node=\"2,0,0\" data-index-in-node=\"0\"\u003eThe Post-War Jewelry Boom:\u003c\/b\u003e Established during the mid-20th century, the Imperial Appraisal Center rose to prominence during Japan’s economic \"bubble\" era. This was a period when Japan became one of the world’s largest importers of high-end gemstones, and there was an urgent need for an authoritative body to verify the quality of these massive inflows of wealth.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"2,1,0\"\u003e\u003cb data-path-to-node=\"2,1,0\" data-index-in-node=\"0\"\u003eA \"Legacy\" Authority:\u003c\/b\u003e Along with the Central Gem Laboratory (CGL), the Imperial Appraisal Center helped establish the rigid Japanese grading protocols that exist today. It was the preferred laboratory for many of Japan’s most historic and prestigious \"Department Store\" jewelry salons, such as Mitsukoshi and Takashimaya, during the 1970s and 80s.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-path-to-node=\"3\"\u003eSpecializations and Reputation\u003c\/h3\u003e\n\u003cul data-path-to-node=\"4\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,0,0\"\u003e\u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"0\"\u003eConservative Colored Stone Grading:\u003c\/b\u003e The lab built its reputation on the identification and grading of \"The Big Three\": \u003cb data-path-to-node=\"4,0,0\" data-index-in-node=\"119\"\u003eRubies, Sapphires, and Emeralds\u003c\/b\u003e. Collectors often seek out Imperial certificates for vintage pieces because the lab was famously conservative; a \"Pigeon Blood\" or \"Royal Blue\" designation from Imperial was—and remains—extremely hard to earn.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"4,1,0\"\u003e\u003cb data-path-to-node=\"4,1,0\" data-index-in-node=\"0\"\u003eJadeite and Pearls:\u003c\/b\u003e Given the cultural importance of Jadeite (\u003ci data-path-to-node=\"4,1,0\" data-index-in-node=\"62\"\u003eHisui\u003c\/i\u003e) and pearls in Japan, the Imperial Appraisal Center became a leading expert in identifying natural versus treated jade, ensuring that the \"Imperial Green\" stones sold in Japan met the highest purity standards.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Gems.studio","offers":[{"title":"Default Title","offer_id":51405571981632,"sku":null,"price":0.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0963\/0397\/2672\/files\/IMG_20251213_000631_edit_166032032751747.jpg?v=1767562759","url":"https:\/\/gems.studio\/products\/gem-reports-imperial-appraisal-center","provider":"Gems.studio","version":"1.0","type":"link"}