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Exhibit 31.2

Certification 
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002

I, Hemdat Sawh, certify that:

|1. | I have reviewed this annual report on Form 40-F of Crystallex International Corporation;                                                                                                                                                                                                                                    
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|2. | Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were
made, not misleading with respect to the period covered by this report;                  
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|3. | Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the issuer as of,
and for, the periods presented in this report;                                         
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|4. | The issuers other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial
reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the issuer and have:
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|5. | The issuers other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the issuers auditors and the audit committee of the issuers board of
directors (or persons performing the equivalent functions):                                         
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|Date: March 31, 2010 | /s/Hemdat Sawh                  
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|                     | Name:
Hemdat Sawh               
|                     | Title:  
Chief Financial Officer
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