Diamond Exchange Houston has this .66 CTW GIA Marquise Halo Engagement Ring available for only $1700. This ring features a .50 carat GIA certified marquise diamond that is “G” in color and “SI1” in clarity. The halo ring is made from 18k white gold. Currently, the ring is sized 6.25, however, we can resize to fit any finger. We only have 1 ring like this at this price so get it while it lasts. If you are interested in purchasing this ring or would like to see this in person then please fill out our contact form or call us today at 281-623-1105. Diamond Exchange Houston has a large selection of wholesale diamonds and engagement rings.