Effy 18k white gold diamond, sapphire ring. Sapphire, 3.88 tcw Diamonds, 0.78 tcw Diamond color: SI-1 Diamond clarity: I1 18K white gold Slip on Made in USA SIZE Width, about 0.45" Click here for a Guide to Jewelry & Watches. Center Core - Direct Jewelry Guarantee > Saks Off 5th > Barneys Warehouse. Effy. Size: 7.