GIA Master Set, Diamond Grading Color Set, Diamond Color Grading Tool D-M Color 10ct Diamond Color Scale Master Stones for Jewelers and Diamond Grading Training with laser letter
[ Material ]: This diamond color grading set is made of 5A cubic zirconia (CZ) stones, known for their durability and brilliance.
[ Weight and size ]: Each stone in this group is 1.00ct cubic zirconia (6.5mm), which can accurately describe the specific color in the D-M diamond color Colorimetric.
[ Color ]: The cz master set is gradually yellow from D ~ M, with a diameter of 1ct and a color grading standard (10 grains), and its material is zircon.
[ Design ]: Each stone color grading is treated with GDTC standard, based on the GIA color grades. Color Last technology were used to ensure permanent color saturation.
[ Application ]: Diamond grading kit is suitable for jewelry appraisal institutions, training institutions, store grading control, etc., as a reference teaching tool for naked diamond color appraisal diamond color grading examination.