14K Yellow Gold Blue Sapphire Diamond Ring, featuring one prong set oval brilliant cut blue sapphire weighing approx. 1.85 carats, surrounded by 10 prong set round brilliant cut diamonds weighing a total of approx. 0.75 carat, marked: "14K" with maker's mark logo. Measuring approx. US size 6 1/4, 1/2" across widest point, 2.6 dwt. Provenance: Property of a New York City Jewelry Collector. Keywords: Princess Diana Ring, September Birthstone, Colored Stones, Gemstone, Jewelry, Fashion, Accessories