女子5.5克黄金戒指换新只剩2克，工作人员：5G黄金是金饰工艺，不是克数

Group 1 - The incident involves a customer, Mr. Ma, who exchanged a 5.5-gram gold ring for a new one, only to find that the new ring weighed only 2 grams, leading to a significant perceived loss of value [1][3] - The new ring was marketed as "5G gold," which Mr. Ma misunderstood as referring to the weight of the gold, while it actually referred to a pricing strategy, causing confusion and dissatisfaction [3] - The store claimed that the transaction was clear and that the customer had signed off on the details, indicating that there was no misleading information provided during the sale [3] Group 2 - The store refunded a small amount of 133 yuan to Mr. Ma, but he remained dissatisfied and sought a full refund, leading to police involvement in the dispute [3] - Ultimately, Mr. Ma retrieved his original 5.5 grams of gold and returned the new ring, paying an additional 740 yuan to the store as part of the resolution [3]