A beautifully crafted 18-karat white gold necklace features a cross pendant composed of round-cut and marquise diamonds. Diamond, 0.75 tcw Diamond clarity: SI Diamond color: I 18K white gold Lobster closure Made in USA SIZE Pendant size, about 1.05 Length, about 16" Click here for a Guide to Jewe. Center Core - Direct Jewelry Guarantee > Saks Off 5th > Barneys Warehouse. Effy Hematian.