16 CFR § 23.15 - Misuse of the term “blue white.”

---
identifier: "/us/cfr/t16/s23.15"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "16 CFR § 23.15 - Misuse of the term “blue white.”"
title_number: 16
title_name: "Commercial Practices"
section_number: "23.15"
section_name: "Misuse of the term “blue white.”"
chapter_name: "FEDERAL TRADE COMMISSION"
subchapter_number: "B"
subchapter_name: "GUIDES AND TRADE PRACTICE RULES"
part_number: "23"
part_name: "GUIDES FOR THE JEWELRY, PRECIOUS METALS, AND PEWTER INDUSTRIES"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "15 U.S.C. 45, 46."
regulatory_source: "83 FR 40667, Aug. 16, 2018, unless otherwise noted."
cfr_part: "23"
---


# 23.15 Misuse of the term “blue white.”

It is unfair or deceptive to use the term “blue white” or any representation of similar meaning to describe any diamond that under normal, north daylight or its equivalent shows any color or any trace of any color other than blue or bluish.