Shimmering 14 karat yellow gold is bezel-set with lab-grown diamonds 3.00 Carats (ctw SI1-SI2, G-H) glimmer and glow across this tennis bracelet that is sure to make a statement. Lab grown diamonds are man-made diamonds that are chemically, physically, and optically identical to diamonds originating from nature. Both have the same chemical composition and atomic structure, producing the very same durability, fire, and sparkle.