CERTIFICATION OF NO CHANGE IN DEFINITIVE MATERIALS

PURSUANT TO RULE 497 (j) OF THE SECURITIES ACT OF 1933

FILE NUMBER: 33-31755 and 811-05880

REGISTRANT: The Guardian Separate Account D (The Guardian Investor^® Individual Variable Annuity)

In lieu of filing under paragraph (b) or (c) of Section 497, the undersigned hereby certifies that:

(1) The form of prospectus that would have been filed under paragraph (b) or (c) of this section would not have differed from that contained in the most recent post-effective amendment to the registration statement on form N-4 filed by the registrant, and

(2) The text of the most recent post-effective amendment to the registration statement filed on form N-4 has been filed electronically.

Signatures

The Guardian Separate Account D and The Guardian Insurance & Annuity Company, Inc. have caused this Certification to be signed on their behalf.

The Guardian Separate Account D, Registrant