By Erika Winters
Virtual try-on technology is making it easier for online shoppers to check out jewelry styles from anywhere in the world via their mobile devices. And the technology is getting more accurate with each app. Last week, online jewelry retailer Blue Nile launched its new mobile shopping experience with an added virtual try-on feature for iPhones. The feature is now part of Blue Nile's popular "Dream Box" area that displays thousands of engagement rings created by the retailer.