As the largest online diamond retailer, Blue Nile offers the largest collection of the world's finest cut diamonds. Over the weekend of October 19-21st we will have a selection of diamonds in our Bellvue showroom. Our diamond experts will be on hand to explain the 4Cs of Diamonds - cut, color, clarity, and carat weight - the most important characteristics to understand when making a diamond purchase. Whether you would like a personal consultation, a quick chat on tips and tricks in getting the most value for your money, or you just want to see what a sparkly stone looks like on your hand - stop by Blue Nile for your personalized diamond experience. All day, contact us for personal consultations. 10/19 - 10/21.