beautiful diamond ring with blue green gemstone center stone

accessory alexandrite anniversary band birthstone bling blue bride carat colored copper cushion cut diamond diamonds duotone emerald engaged engagement expensive facet faceted fashion fiancacopy fine gem gemstone gemstones gift gold green groom halo isolated jewel jeweler jewellery jewelry large love luxury marriage platinum present princess prong proposal propose refection ring romance rose set setting side silver square stone style topaz tourmaline turquoise valentine valentines view wedding white