10K Yellow Gold Diamond Genuine Blue Topaz Engagement Ring Oval 10x8mm sizes 5-10 Beautiful Genuine Swiss Blue Topaz Engagement Ring Accented with Genuine Diamonds December Birthstone Excellent Quality and Color Oval Blue Topaz Ring Very Nice Quality, Color and Clarity Diamonds Genuine 10k Gold Excellent Quality Made in the USA Craftsmanship We Will stand Behind for Many, Many Years to Come