I bought a gold ring, but found it to be larger than the required size, so I wanted to return it to the seller. Should I return it for the price I bought it for, or at today's market price?

I am a gold shop owner. I purchase 100 grams of 21-carat gold from a supplier, who claims that the gold's purity is slightly above 21 carats and therefore takes from me slightly more than 100 grams, on the grounds that this surplus represents the difference in carat purity. What is the Islamic ruling on this transaction?

We are a cooperative association that finances our members on the basis of Islamic murābaḥah in instalments. What is the sharīʿah ruling on imposing a financial late payment penalty upon a member who falls behind in repayment after the agreed due date.

What is the ruling on imposing fixed administrative fees on beneficiaries of an interest-free loan (Qard Hasan) card, provided that a special fund is designated for these fees to cover only actual administrative costs? Furthermore, what is the ruling if any surplus from these fees is directed toward internal solidarity initiatives, such as providing financial aid in the event of death or other similar circumstances?

What is the Islamic ruling on buying and selling gold in bulk with deferred payment?

A company trespassed on my client’s land. I was appointed to handle the case on the condition that I pay the case fees, which amount to 200 dinars, and give my client 2,000 dinars. Any amount recovered beyond that would be mine. Is this agreement, between the client and the agent, considered valid? What is the ruling of Islamic Law on the amount exceeding 2,000 dinars?

A creditor whispered to himself: "If the debtor repays the debt in this worldly life, it is my right. If he does not, then I have forgiven him in the Hereafter. "However, he continued to demand this debt, but encountered procrastination from the debtor. According to Islamic Law, is it permissible for the creditor to retract his forgiveness in the Hereafter, knowing the virtue of forgiveness in the sight of Allah The Almighty?

What is the Islamic ruling on trading in Forex, knowing that some companies have informed me that leverage is not a loan but a financial tool to amplify capital value, in addition to the absence of swap commissions?

My sister asked me for a loan, so I want to give her a piece of gold to weigh and sell. When she repays the debt, I will ask her for a piece of gold of my choosing, of the same weight and that she bears the goldsmith`s fee. Is this permissible?