Loading RAP CSV files from the server data folder…
The server uses data/ as the only source. Add or remove CSV files directly on the server.
Price trend & period changes
Track one exact stone — shape, size, clarity and color — across every price update, with change vs. the previous update and vs. a year earlier.
Chart options
Chart and detail use the same Shape, Size, Clarity and Color selection above.
Price history
The chart, stat cards and detail table all use the same Shape, Size, Clarity and Color filters selected above.
Update-by-update detail
Clarity × color matrix
The full price grid for one shape and size on a given update date — or the same grid expressed as percent change vs. the previous update or a year earlier.
Price matrix
Compare across sizes
See how one clarity/color combination prices across every size range on a given update, and how each size range has moved.
Chart options
Price by size
Ticking extra clarities or colors above overlays grouped bars per size. The detail table below always reflects the single Clarity/Color chosen at the top.
Detail
Data explorer
Browse and filter every row in the merged dataset, then export whatever slice you need.
Compare two price files
Load two separate RAP CSV exports side by side — independent of the main dataset above — and compare them directly. Only the same shape is ever compared against itself (round vs. round, pear vs. pear, and so on); you can't accidentally compare across shapes.
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Price comparison
Rows are every Clarity × Color combination present for the chosen shape and size, at the update date picked for each file. A combination is skipped only if it's missing from both files.
All changes — every shape, size, clarity & color
Every combination in the dataset, priced as of the update date below and compared against its own previous update. Defaults to the most recent update loaded.
Chart options
Heatmap shows percentage change versus the previous update for every Clarity × Color combination. Green = increase, red = decrease, grey = unchanged.
Change heatmap
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Hover a cell to see the criterion, previous/current price, dates and exact change percentage.