$50 for $100, $100 for $200 at Blue Nile
Sorry, this deal is expired.
Get a $100 voucher to Blue Nile for $50 at Groupon Goods through 11/22. A $200 voucher is also available for $100. Blue Nile features diamond jewelry and more. Note that you must use your entire voucher in one visit, and that it is not valid on sale items. Shipping is extra.