LA TAILLÉE Chatham Blue SapphireIn this feminine and detailed, antique inspired engagement ring, a lab grown medium blue sapphire is surrounded by a halo of four small lab grown diamonds and curvy gold filigree details. The details also appear on the underside of the setting and on the shank. Chatham is the premier name in lab created gemstones and all of their gems possess the same physical, optical and chemical structure as their mined counterpart. And just like a pristine natural