New David Yurman Black Onxy Diamond earrings

New with string part of tag, unworn. Bought at Neiman Marcus. Comes in Yurman bag. Free cleanings at David Yurman. I can send copy of receipt if you want.. Free cleanings at David Yurman. David Yurman Silver Diamond Black Onxy pierced earrings. His prices go up every year. See photos for all details. Have receipt plus Posh checks authenticity over 500 usd. Just cleaned at Yurman string off but Never worn!