ONLY AT SAKS. Made of 14K yellow gold, Saks Fifth Avenue Collection's ring flaunts a luminous cushion-cut opal bordered by shimmering pavé diamonds. Diamonds, 0.3 tcw Diamond color grade: H-I Diamond clarity grade: SI2-I1 Opal 14K yellow gold Made in USA. Fashion Jewelry - Sfa Jewelry C > Saks Fifth Avenue Collection > Saks Fifth Avenue > Barneys. Saks Fifth Avenue Collection. Color: Yellow Gold. Size: 7.