All of our jewelry is guaranteed authentic by our Graduate Gemologist of the Gemological Institute of America (GIA). Art Deco 14k White Gold Filigree .29ct Sky Blue Genuine Sapphire Ring (#J7472) Art Deco 14k white gold filigree ring featuring a round genuine blue sapphire weighing .29cts. The sapphire has pale sky blue with a little lavender color and measures about 4mm. The ring fits a size 6.25 finger, weighs 0.82 dwt., and dates from the 1920s with four new prongs. Wonderful! 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#J7472. 100% Satisfaction Guaranteed!