1) Blemishes 2) Blemishes or foibles 3) Chips and cracks 4) Defects 5) Diamond defects 6) Diamond devaluers 7) Foibles 8) Gem imperfections 9) Gem problems 10) Imperfections 11) Imperfections, blemishes 12) Loopholes, for the most part 13) Parts that need fixing 14) Reasons for returns 15) Shortcomings 1) Defects 2) Faults