| Document And Entity Information - shares | 9 Months Ended | |
| Jan. 31, 2018 | Mar. 15, 2018 | |
| Document Information [Line Items] | ||
| Entity Registrant Name | DIAMOND CARTEL INC | |
| Entity Central Index Key | 1,347,491 | |
| Current Fiscal Year End Date | --04-30 | |
| Entity Filer Category | Smaller Reporting Company | |
| Entity Current Reporting Status | Yes | |
| Entity Voluntary Filers | No | |
| Entity Well-known Seasoned Issuer | No | |
| Entity Common Stock, Shares Outstanding (in shares) | 895,750 | |
| Document Type | 10-Q | |
| Document Period End Date | Jan. 31, 2018 | |
| Document Fiscal Year Focus | 2,018 | |
| Document Fiscal Period Focus | Q3 | |
| Amendment Flag | false |
| Balance Sheet (Current Period Unaudited) - USD ($) | Jan. 31, 2018 | Apr. 30, 2017 |
| ASSETS | ||
| Total Assets | ||
| Current Liabilities | ||
| Account payable and accrued liabilities | 25,122 | 10,176 |
| Due to related party | 38,075 | 18,021 |
| Total Liabilities | 63,197 | 28,197 |
| Stockholders’ Deficit | ||
| Preferred stock | ||
| Common stock, 200,000,000 shares authorized, $0.0001 par value; 895,750 shares issued and outstanding at January 31, 2018 and April 30, 2017 | 90 | 90 |
| Additional paid-in capital | 454,126 | 454,126 |
| Accumulated deficit | (517,413) | (482,413) |
| Total Stockholders’ Deficit | (63,197) | (28,197) |
| Total Liabilities and Stockholders’ Deficit | ||
| Series A Preferred Stock [Member] | ||
| Stockholders’ Deficit | ||
| Preferred stock |
| Balance Sheet (Current Period Unaudited) (Parentheticals) - $ / shares | Jan. 31, 2018 | Apr. 30, 2017 |
| Preferred stock, shares authorized (in shares) | 946,000 | 946,000 |
| Preferred stock, shares issued (in shares) | 0 | 0 |
| Preferred stock, shares outstanding (in shares) | 0 | 0 |
| Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Common stock, shares authorized (in shares) | 200,000,000 | 200,000,000 |
| Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001 |
| Common stock, shares issued (in shares) | 895,750 | 895,750 |
| Common stock, shares outstanding (in shares) | 895,750 | 895,750 |
| Series A Preferred Stock [Member] | ||
| Preferred stock, shares authorized (in shares) | 54,000 | 54,000 |
| Preferred stock, shares issued (in shares) | 0.48 | 0.48 |
| Preferred stock, shares outstanding (in shares) | 0.48 | 0.48 |
| Preferred stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
| Statements of Operations (Unaudited) - USD ($) | 3 Months Ended | 9 Months Ended | ||
| Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2018 | Jan. 31, 2017 | |
| Revenue | ||||
| Expenses | ||||
| General and administrative | 30,843 | 2,759 | 35,000 | 18,601 |
| Net Loss | $ (30,843) | $ (2,759) | $ (35,000) | $ (18,601) |
| Net Loss Per Common Share – Basic and Diluted (in dollars per share) | $ (0.03) | $ 0 | $ (0.04) | $ (0.02) |
| Weighted Average Number of Common Shares Outstanding (in shares) | 895,750 | 895,750 | 895,750 | 895,750 |
| Statements of Cash Flows (Unaudited) - USD ($) | 3 Months Ended | 9 Months Ended | ||
| Jan. 31, 2018 | Jan. 31, 2017 | Jan. 31, 2018 | Jan. 31, 2017 | |
| Operating Activities: | ||||
| Net loss | $ (30,843) | $ (2,759) | $ (35,000) | $ (18,601) |
| Changes in operating assets and liabilities: | ||||
| Accounts payable and accrued liabilities | 14,946 | 5,450 | ||
| Net Cash Used in Operating Activities | (20,054) | (13,151) | ||
| Financing Activities: | ||||
| Proceeds of loan from related party | 20,054 | 13,151 | ||
| Net Cash Provided by Financing Activities | 20,054 | 13,151 | ||
| Change in Cash | ||||
| Cash – Beginning of Period | ||||
| Cash – End of Period | ||||
| Supplemental Disclosures: | ||||
| Interest paid | ||||
| Income taxes paid | ||||
| Note 1 - Business Description | 9 Months Ended |
| Jan. 31, 2018 | |
| Notes to Financial Statements | |
| Business Description and Basis of Presentation [Text Block] | 1. Business Description The Diamond Cartel Inc. (the “Company”) was incorporated in the State of Delaware on August 17, 2005. one not not, |
| Note 2 - Going Concern | 9 Months Ended |
| Jan. 31, 2018 | |
| Notes to Financial Statements | |
| Substantial Doubt about Going Concern [Text Block] | 2. Going Concern These financial statements have been prepared on a going concern basis, which contemplates the Company will continue to realize its assets and discharge its liabilities in the normal course of business. The Company has never generated revenue since inception. As of January 31, 2018, $63,197 $517,413 ’s ability to continue as a going concern. The continuation of the Company as a going concern is dependent upon the continued financial support from its stockholders, the ability of the Company to obtain necessary equity financing to continue operations. These financial statements do not no |
| Note 3 - Summary of Significant Accounting Policies | 9 Months Ended |
| Jan. 31, 2018 | |
| Notes to Financial Statements | |
| Significant Accounting Policies [Text Block] | 3. Summary of Significant Accounting Policies a) Basis of Presentation The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial statements and with Article 8 X not ’s management, the accompanying unaudited financial statements contain all the adjustments necessary (consisting only of normal recurring accruals) to present the financial position of the Company at January 31, 2018 nine January 31, 2018 not April 30, 2017 2016. April 30 b) Use of Estimates The preparation of financial statements in accordance with United States generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses in the reporting period. The Company regularly evaluates estimates and assumptions related to deferred income tax asset valuations. The Company bases its estimates and assumptions on current facts, historical experience and various other factors that it believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and the accrual of costs and expenses that are not may ’s estimates. To the extent there are material differences between the estimates and the actual results, future results of operations will be affected. |
| Note 4 - Related Party Transactions and Balances | 9 Months Ended |
| Jan. 31, 2018 | |
| Notes to Financial Statements | |
| Related Party Transactions Disclosure [Text Block] | 4. Related Party Transactions and Balances As at January 31, 2018 April 30, 2017, $38,075 $18,021, |
| Note 5 - Subseuent Events | 9 Months Ended |
| Jan. 31, 2018 | |
| Notes to Financial Statements | |
| Subsequent Events [Text Block] | 5. Subsequent Events Management has evaluated subsequent events through the date that these financial statements were available to be issued. There have been no |
| Significant Accounting Policies (Policies) | 9 Months Ended |
| Jan. 31, 2018 | |
| Accounting Policies [Abstract] | |
| Basis of Accounting, Policy [Policy Text Block] | a) Basis of Presentation The accompanying unaudited financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America for interim financial statements and with Article 8 X not ’s management, the accompanying unaudited financial statements contain all the adjustments necessary (consisting only of normal recurring accruals) to present the financial position of the Company at January 31, 2018 nine January 31, 2018 not April 30, 2017 2016. April 30 |
| Use of Estimates, Policy [Policy Text Block] | b) Use of Estimates The preparation of financial statements in accordance with United States generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the financial statements and the reported amounts of revenue and expenses in the reporting period. The Company regularly evaluates estimates and assumptions related to deferred income tax asset valuations. The Company bases its estimates and assumptions on current facts, historical experience and various other factors that it believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and the accrual of costs and expenses that are not may ’s estimates. To the extent there are material differences between the estimates and the actual results, future results of operations will be affected. |
| Note 2 - Going Concern (Details Textual) - USD ($) | Jan. 31, 2018 | Apr. 30, 2017 |
| Working Capital (Deficiency) | $ (63,197) | |
| Retained Earnings (Accumulated Deficit) | $ (517,413) | $ (482,413) |
| Note 4 - Related Party Transactions and Balances (Details Textual) - USD ($) | Jan. 31, 2018 | Apr. 30, 2017 |
| President [Member] | ||
| Due to Related Parties | $ 38,075 | $ 18,021 |
