Exclusively for our readers, take $10 off $50 Worth of Black Diamond Jewelry with our coupon code BDEALS10 at Rakuten. Plus, this deal works on already discounted jewelry, and shipping is free on most items. The pictured Black Diamond Halo Stud Earrings, for example, once $360, drop from $79.99 to $69.99 with our code and ship for free, the best price we could find by $30. Note: the "Promo Code" box appears in the final stages of checkout. Sales tax is not charged in most states.