Round Diamond Halo Engagement Ring In 14K White Gold (Semi-Mount)*Setting only, this price does not include the center stone* This classic setting features a round brilliant diamond for the center, a halo that is squared off a bit, and lovely diamonds cascading down the shank. Want a choice between earth mined and lab grown diamonds? We have both and will give you information to make up your choice. At John Thomas Jewelers in Albuquerque, we strive to give you the best engagement experience possible.