LA PERLÉE Light Yellow SapphireA light yellow round Chatham sapphire is surrounded by a halo of round gold beads alternating with lab grown diamonds in this unique engagement ring. Lab grown gems are inherently conflict free and environmentally friendly, and Chatham (est. 1938) is the premier name in lab grown gemstones. All of their gems possess the same physical, optical and chemical structure as their mined counterpart, and just like a pristine natural gemstone, Chatham