Diamond Exchange Houston has this 18K GIA Certified Emerald Halo Engagement Ring available for only $1700. This ring has.59 CTW of diamonds. The center diamond is a GIA certified diamond that is .44 carats with a color of “K” and a clarity of “SI1”. We only have 1 ring like this available. 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.