Woman's $15 'costume jewelry' ring turns out to be worth $450,000 Ifeadi C. 14:59 Mashable, Zero Tech Blog Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsPete Buttigieg's new influencer handbook is an extremely online way to campaignUm, did Ed Sheeran get an explicit 'Game of Thrones' shoutout in the Season 8 premiere?Notre Dame Is Burning. A Digital Archive Could Hold the Key to Restoring It.All the 'Game of Thrones' Season 8 premiere reunions ranked by awkwardnessFirst Impressions of the Galaxy Fold Are Cautiously OptimisticLaptops and tablets on sale: Shop Lenovo, MacBook, Microsoft Surface, Samsung Galaxy Tab