Create ultra-realistic, three-dimensional gemstone typography using the text: “PUT TEXT HERE” Each letter must be constructed entirely from a faceted amethyst crystal, resembling a precision-cut luxury gemstone.

Material & Gemstone Properties:
– Deep violet to rich purple amethyst coloration
– Transparent to semi-transparent crystal with realistic internal refraction
– Sharp, angular gemstone facets with clean geometric cuts
– Visible depth, thickness, and solid crystal mass
– Subtle internal light dispersion and natural color variation within the crystal
– No cloudiness, no plastic look

Facet & Cut Detail (CRITICAL):
– Multiple intersecting crystal planes per letter
– Crisp facet edges with precise reflections
– Facets vary in size and angle for realism
– Inner reflections and light bouncing inside the crystal
– No rounded edges, no soft bevels

Lighting & Realism:
– Studio-quality cinematic lighting
– Light interacts realistically with crystal surfaces and internal structure
– Bright specular highlights on facet edges only
– Subtle glow and sparkle inside the gemstone (not external glow)
– Soft shadow beneath letters for depth

Typography & Shape:
– Bold, modern sans-serif letterforms
– Thick, heavy structure with strong presence
– Clean, readable silhouette
– Smooth outer silhouette formed entirely by crystal cuts

Background & Composition:
– Clean matte background (dark slate gray, deep blue, or neutral studio tone)
– Centered composition
– No additional objects, no particles, no text overlays

Render Quality:
– Ultra-high resolution
– Hyper-realistic 3D product render
– Luxury branding / premium logo aesthetic
– Photorealistic, sharp focus

Restrictions:
– No glow effects outside the crystal
– No bloom, haze, fog, or neon lighting
– No metallic materials
– No texture noise or grain