Brilliant baguette diamonds shine at the center of this rectangular Effy Hematian ring, while a halo of round-cut diamonds highlights accent diamonds at the sides. Diamond, 0.51 tcw Diamond clarity, SI Diamond color, I 18K white gold Made in USA SIZE Width, about 0.36 Length, about 0.81 Click here. Center Core - Direct Jewelry Guarantee > Saks Off 5th > Barneys Warehouse. Effy Hematian. Size: 7.