“RUBY” is a Glass Crystal text effect 使用 FontVibe AI 创作的文字效果. 从纯净宝石水晶中雕琢而成——钻石切割的刻面，绽放绚丽彩虹棱镜色散和奢华闪光。焦散光斑投落其下.

carved from flawless gemstone crystal — each letterform cut with precision faceted geometry following brilliant-cut and emerald-cut diamond principles. Table facet, crown facets, girdle edge, pavilion facets all precisely rendered. Optically pure material: Brilliance (white light return), Fire (rainbow spectral dispersion), Scintillation (extreme facet contrast sparkle). Internal caustic corridors visible. Six-point sparkle flares at letter apexes. Maximum optical drama — every letter a dazzling cut precious gemstone. Square 1:1. A luxury wax seal and envelope mockup — dark red velvet surface, premium envelope in deep burgundy, wax seal with gemstone-like letterform. RUBY as ruby gemstone crystal letterforms on the envelope front, glowing with deep red internal crystal light. Gem font used for luxury invitation design, premium correspondence, and high-end event branding.