 Cubic Zirconia (CZ) was discovered in 1937 by two German mineralogists. CZ comes closer to matching the characteristics of a diamond than any other gem. This brilliant marquise shape gem stone is mounted in a 10K GF size 9 setting. C1987, made in the Republic of Korea. Regular price: $39.99 Sale price: $29.99 |  Genuine pear shape Opal pendant and matching ring set in 14K gold vermeil-gold electroplated on solid sterling silver. Pendant suspended from a 14K gold-filled chain, ring size 7 with 2 rubies. C1983 by Ronte of Hollywood. Regular price: $49.00 Sale price: $39.00 |  Vintage CZ saphire marquise gemstone mounted in a 6 prong sterling silver setting. Ring size 7, C1980. Regular price: $39.00 Sale price: $29.00 |