If jewelry reaches the threshold of twenty dinars of pure gold, or two hundred dirhams of silver, then one-quarter of one-tenth is due on it. This is based on the hadith of Ali ibn Abi Talib, may Allah be pleased with him, who reported that the Prophet, peace and blessings be upon him, said: “When you possess two hundred dirhams and a lunar year has passed over them, five dirhams are due on them. You owe nothing—meaning with regard to gold—until you possess twenty dinars. When you possess twenty dinars and a lunar year has passed over them, half a dinar is due on them.” (1) Reported by Abu Dawud (2).
To proceed: the servant of Allah must fear Allah to the best of his ability and exert his utmost effort to ascertain the truth from the Quran and Sunnah. Once the truth becomes clear to him from them, he must act upon it and must not give precedence over them to the statement of any person whatsoever, nor to any analogy, whatever it may be. In cases of dispute, one must refer back to the Quran and Sunnah, for they are the straight path and the upright, just criterion. Allah Most High says: “If you differ over anything...”