{"data":{"id":"us/16-cfr-23.17","jurisdiction":"us","citation":"16 CFR 23.17","heading":"Misuse of the words “brilliant” and “full cut.”","body":"It is unfair or deceptive to use the unqualified expressions “brilliant,” “brilliant cut,” or “full cut” to describe, identify, or refer to any diamond except a round diamond that has at least thirty-two (32) facets plus the table above the girdle and at least twenty-four (24) facets below.\nNote to § 23.17:\nSuch terms should not be applied to single or rose-cut diamonds. They may be applied to emerald-(rectangular) cut, pear-shaped, heart-shaped, oval-shaped, and marquise-(pointed oval) cut diamonds meeting the above-stated facet requirements when, in immediate conjunction with the term used, the form of the diamond is disclosed.","path":["Title 16—Commercial Practices","CHAPTER I—FEDERAL TRADE COMMISSION","SUBCHAPTER B—GUIDES AND TRADE PRACTICE RULES","PART 23—GUIDES FOR THE JEWELRY, PRECIOUS METALS, AND PEWTER INDUSTRIES"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-16.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:29Z","sha256":"fc03dd508ab61274d46c68ab1e4ae76634a84239f7545a8a64f85451d493eb32","source_id":"us-cfr","stale":true,"prev":"us/16-cfr-23.16","next":"us/16-cfr-23.18"},"notice":"GroundRules: Original legal text. Not legal advice."}