Simple and classic, this pair of stud earrings features four marquise diamonds surrounding a square-cut diamond at the center. Diamond, 0.27 tcw Diamond clarity: SI Diamond color: I 18K white gold Post back Made in USA SIZE Diameter, about Click here for a Guide to Jewelry & Watches. Center Core - Direct Jewelry Guarantee > Saks Off 5th > Barneys Warehouse. Effy Hematian.