eBay has tied up with Brides magazine, promoting a contest for women to create their own diamond ring and stand the chance of winning a diamond and self-designed ring worth up to $25,000. The contest entitled ‘Build Your Bling’ has been launched in the U.S. Participants are required to register at diamonds.ebay.com, design their ring using the eBay Diamond Ring Designer and through access to certified, conflict-free loose diamonds and ring settings offered through eBay, and upload the design. %% The winner will be decided by public poll and a contestant can invite voting for a design through the website's share function, across 50 social media channels. The public poll that ends on February 19, 2010, and the winner will be announced on the website on February 26. Two runner-up awardees will win a $100 eBay gift card each. %% eBay positions its service of eBay Diamond Ring Designer as one that promotes innovation in the marketplace through technology to generate a unique shopping experience. The homepage of eBay Diamond Ring Designer will deliver articles from the Brides magazine and updates on design and beauty trends.