From the tanzanite royalé collection. Effy 14k yellow gold diamond and tanzanite ring. Diamond, 1.12 tcw Tanzanite, 6.32 tcw Diamond color: HI Diamond clarity: I1 i2 14K yellow gold Slip on style 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.