This old-cut marquise diamond was in an elaborate vintage brooch. We had this handmade platinum setting fabricated to showcase it to its best advantage. The marquise weighs 1.89 carats; it is graded G in color and SI1 in clarity, and is accompanied by a Diamond Quality Report® from the American Gem Society Laboratories®. The ring is set with 24 full-cut diamonds which total .37 carats; they are F-G in color and VS in clarity. The ring is a finger size 6; it may be sized up or down by about one size.