Mateo - 14kt gold ring with topaz and diamondsInvest in show stopping pieces like this ring from Mateo. It's made from 14kt yellow gold and set with a striking 39. 75ctw marquise cut blue topaz surrounded by 0. 15ctw diamonds. Material: 14kt yellow gold (585 1000) Handmade in the USA Item color: gold, blue Color: blueStone I: blue topaz, marquise cut, prong settingStone II: diamonds, round cut, pav setting Designer color name: Yellow Golddiamond, blue topaz Item number: P00870218