This study analyzes quality control at the Citra Keramik Lombok MSME using three of the Seven Basic Tools: the histogram, Pareto chart, and cause-and-effect (fishbone) diagram. Defect data collected over five months reveal 54 occurrences, consisting of cracks (42), breakages (7), uneven coloration (2), shape nonconformity (2), and blistering (1). The histogram demonstrates a clear dominance of crack defects. Furthermore, Pareto analysis confirms that cracks account for 77.78% of total defects; when combined with breakages, this figure reaches 90.74%. The fishbone diagram maps plausible root causes using the 6M framework: material (composition and moisture variability), method (non-standard drying and inconsistent firing curves), machine/equipment (kiln calibration and mold wear), manpower (skills and handling practices), measurement (gauges and records), and environment (temperature-humidity and airflow). The PDCA-based improvement plan emphasizes standardized drying and firing practices, equipment calibration, operator training, and environmental control, supported by c-/u-charts and weekly run charts for continuous monitoring. This approach provides measurable, cost-efficient, and replicable improvements for similar ceramic MSMEs.