Ladies’, 18k white gold, lab grown diamond, engagement ring with one, .52 carat, D color, SI(1) clarity, pear shape, lab grown diamond, prong-set in the mounting. The center diamond has been graded by the International Gemological Institute (IGI). The shank has twenty-two, prong-set, G/H color, VS(2) clarity, round brilliant cut, natural diamonds, with a total approximate weight of .18 carat. The total weight of all the diamonds is .approximately 70 carat.