Just as a heads up - You don't need hyper expensive hardware to be able to do spectrum and CRI tests.
You can get an "X-Rite ColorMunki Photo" on ebay super cheap every so often (normally ~£100, I got mine for £30), and with Argyll CMS and ColorCalculator generate spectrums and CRI reports.

Texas Instruments TI-84 Plus CE Color Graphing Calculator, Black

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