---
kind: "section"
citation: "16 C.F.R. § 23.17"
title: "16"
number: "23.17"
heading: "Misuse of the words “brilliant” and “full cut.”"
url: "https://uscodex.org/cfr/16/23.17"
---

# §23.17. Misuse of the words “brilliant” and “full cut.”


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.


## Notes

### Authority

Authority: 15 U.S.C. 45, 46.

### Source

Source: 83 FR 40667, Aug. 16, 2018, unless otherwise noted.