14K ART DECO 1.30 CTW DIAMOND RING: 1.00 CT circular brilliant cut diamond is featured in this art deco (CA.: 1930s) white gold ring. SI2 clarity and H in color. 12 additional full, single and Swill cut diamonds approx .30 CTW. Size 7. Atlanta Gemological GIA graduate's appraisal for $10,550 is dated 12/18/17.