「DIAMOND Engagement Collection」は FontVibe AI で作成したクリスタルの文字エフェクトです。純粋な宝石クリスタルから削り出した、ダイヤモンドカットのファセット面。鮮やかな虹色のプリズム分光と高級感あふれる輝きが特徴です。下面には集光模様が映し出されます。

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. An elegant dark-background product card layout for a luxury jewelry brand. DIAMOND in large precision crystal letterforms as the headline, with 'Engagement Collection' in smaller elegant serif below. Deep navy gradient background. The large crystal letters radiate six-point sparkle flares and prismatic rainbow fire. The small tagline in clean white elegant type. Diamond font used for luxury jewelry product cards, engagement ring packaging, and high-end brand stationery.