What is the difference between original and Jumbo quartz countertops? Original is a standard size quartz slab while jumbo is larger than normal and is suitable for larger countertops. The table below provides details on the size options of LEXIANG QUARTZ slabs. Why jumbo sized quartz slabs? LEXIANG Quartz Vietnam is introducing new Jumbo Sized Slabs in its ongoing effort in order to innovate improve and meet their clients’ needs. New jumbo-size slabs allow you to maximize every inch of your space, eliminate the need for multiple seams and optimize your design capabilities for a budget-friendly, high-end look.