All of our jewelry is guaranteed authentic by our Graduate Gemologist of the Gemological Institute of America (GIA). 10k Gold Filigree Ring with 3-D High Relief Genuine Natural Shell Cameo (#J7272) 10K yellow gold cameo filigree ring with a high relief shell cameo. The oval brown and white shell cameo measures about 17.5mm x 12.5mm. The cameo is 7.5mm high and depicts a 3-D woman's face. The filigree is crisp with detailed swags and rosettes. The ring fits a size 7.75 finger and weighs 3.55 dwt. It dates from the 1920s. Lovely! Please note: This item may be slightly under the karat stamp due to year of production or composition variances - such as sizing or modifications - as they may affect metal purity. Vintage pieces generally have a slightly lower karat percentage than the stamp. SKU#J7272. 100% Satisfaction Guaranteed!