Count: 0 — No verified jewelry brands beginning with the letter “X” meet the strict criteria for this list. This search applied global, authoritative verification standards (official corporate names, founding years, country of origin, and at least two independent sources) and found no canonical brand names that legitimately start with the letter X. Note that many businesses use an “X” as a stylistic element, a model name, a collaboration marker (Brand X Brand), or a logo, but those uses do not qualify as an official brand name that begins with X.

Understand why the letter X yields no entries. X is an uncommon initial in Latin-alphabet naming traditions and luxury-house conventions, so few founders or legacy houses use it as a first character. Transliteration partly explains appearances of X in Romanized Chinese names, but those personal names often convert into full-word brands, initials, or English variants rather than a simple X-leading brand name. Trademark and corporate-entry practices also discourage single-letter or ambiguous initial names, and many candidate names fail verification because they are unregistered, local artisans without corroborating sources, or stylized sub-brands rather than standalone companies.

Consider related searches that will produce useful results. Look for jewelry brands that contain the letter X, designer surnames romanized with X (for example Xu, Xie, Xiao) when used as part of a longer brand name, or brand collaborations and product lines that use “X” as a separator. Investigate regional jewelers and small ateliers that may use X in trade names but require local business records to verify. Follow these alternative paths to find relevant makers and keep strict sourcing standards to avoid unverifiable or stylized entries.