Only available with Chatham lab grown fine jewelry, this diamond ring’s lab grown blue sapphire appears in the Chatham exclusive onion cut. Chatham’s lab grown blue sapphire has exceptional color, cut and clarity resembling the finest earth-mined gems. The gemstone looks stunning wrapped in a tasteful arrangement of pavé diamonds. A unique take on a classic style, this lab grown sapphire ring offers everyday elegance for the modern woman.