Design precision gemstone cuts, trace light through every facet, and plan professional bench work with real-time ray path analysis.
Select your bonus and activate your promo code instantly
All bonuses subject to platform availability. Rio Gems is for professional and educational faceting work. Codes expire 13.11.2026.
Rio Gems transforms gemstone cutting from guesswork into exact science. The application computes ray paths through your design in real-time, showing exactly how light enters the crown, reflects internally, and exits to the viewer. Every angle adjustment recalculates brightness, window percentage, and extinction metrics instantly.
The fit planning engine analyzes your rough block dimensions and generates optimal cut orientations across multiple shapes. Watch as the software calculates yield percentages for Emerald Step versus Classic Round versus Oval Brilliant, presenting quality scores alongside carat weight projections so you maximize value from every piece of rough.
Girdle preform specifications translate digital designs into physical workshop instructions. The bench module outputs exact index positions, angle settings, and facet length measurements ready for your gear system. No conversion tables, no manual calculations – direct transfer from screen to dop.
Watch photons travel through your design with step-by-step documentation of entry angles, refraction points, internal reflections, and exit paths. Pixel value analysis shows brilliance distribution across the table.
Adjust crown main angles and watch quality scores update instantly. The before-after comparison displays brightness gains, contrast improvements, and window reductions as you refine parameters for maximum fire.
Input rough dimensions and Rio Gems generates cut plans for Emerald Step, Oval Brilliant, Classic Round, and Hexagon Step simultaneously. Compare carat retention, quality ratings, and clean margin requirements side-by-side.
Export girdle preform angles with exact index positions for your gear system. Facet length calculations ensure proper meet points. Transfer settings directly to your faceting machine without manual conversion.
Total internal reflection analysis prevents light leakage through the pavilion. The app identifies hits below critical angle and suggests geometry adjustments to maximize light return through the crown.
Track extinction percentage, window size, contrast ratio, and overall brilliance score. Green star ratings classify cuts from Good to Excellent based on optical performance metrics used by professional gemologists.
Rio Gems is developed by faceting specialists who understand the gap between theoretical gem design and practical workshop execution. The tool bridges CAD precision with real-world bench constraints, delivering specifications that work on actual faceting machines without adjustment. Active development ensures compatibility with modern Android devices and regular updates based on professional lapidary feedback.
Join professional lapidaries who plan every cut with precision. Available for Android, free to install, immediate access to design tools.
Download Rio GemsRequires Android device. App includes light report generation and fit planning. Some advanced features require in-app activation. Suitable for professional and educational gemstone faceting. Rated for general audiences.