【K18GF Round-Top Design Ring】 The difference between K18GF and K18GP is... The difference appears in the method of attaching the alloy and the thickness of the alloy attached. ● K18GF attaches the alloy using heat and pressure. ● K18GP fixes the alloy by using electricity. ・ Gold-filled processing, such as K18GF, which is processed by heat and pressure, is characterized by the gold being less likely to peel off. Also, K18GF and K18GP differ in the thickness of the alloy attached. ・ K18GF is coated with a thicker alloy compared to K18GP, and is also superior in durability. ・ When comparing K18GF and K18GP products, K18GF has a higher value. Engraving / K18GF Size / No. 10 Width of the top of the ring / 7mm Width of the bottom of the ring / 4mm Please read the profile before purchasing, as there was a transaction issue the other day. Thank you for your cooperation in order to have a good transaction. Color...Gold系 (Gold-toned) Scratches/Discoloration...None