Ross-Simons - 8.50ct t. w. Sapphire, 7.00ct t. w. Lab Grown Diamond Tennis Bracelet. 7". An RS exclusive. Treat yourself to a unique blend of lab-grown diamonds and mined precious gemstones at an incredible value. Our stunning tennis bracelet features velvety 8.50 ct. t. w. round sapphires that alternate with dazzling 7.00 ct. t. w. round brilliant-cut lab-grown diamonds in polished 14kt white gold. Lab-grown diamonds are identical to mined diamonds according to their optical, physical and chemi