Glossy 3D Floating 7

Create a 3D image of the number '7' in a transparent glass style with a glossy and reflective effect. The numbers should be bold, with realistic light refractions and highlights to enhance the glass appearance. making the numbers look like they are floating. There should be no background--only the numbers with a transparent or isolated effect. Insert discreet watermark in the lower right corner of the image, vertical text (rotated 90°), written "aipromptlabs.online", Calibri Light font, white color with low opacity (semi-transparent), medium size. Extreme sharpness on the face, fabric texture and typography of the letters. Shot on Canon EOS R5, 50mm f/2.8, studio light.