0000080255-13-000170 SC 13G/A 1 20130207 20130207 BLUE NILE INC 0001091171 5944 911963165 DE 0101 SC 13G/A 34 005-80387 13581897 411 FIRST AVE S STE 700 SEATTLE WA 98104 2063366700 411 FIRST AVE S STE 700 SEATTLE WA 98104 INTERNET DIAMONDS INC 20000131 PRICE T ROWE ASSOCIATES INC /MD/ 0000080255 6200 520556948 MD 1231 SC 13G/A 100 EAST PRATT ST BALTIMORE MD 21202 (410)345-6603 P.O. BOX 89000 BALTIMORE MD 21289 SC 13G/A 1 nile13gadec12.htm NILE AS OF 12/31/12