Exclusively for our readers, these 1ct Black Diamond Stud Earrings in 10k White Gold drop from $500 to $169.99 to $104.33 when you apply the codes GIFT4MOM, BRADTAKE10, and CATCH15OFF at checkout at Kohls.com, plus shipping is free. This is the best price we could find on similar earrings anywhere. They measure 5mm and are set in rhodium-plated 10k white gold. Sales tax is charged in most states.