Marked on the inside 14k on both the engagement ring and wedding ring. They are also soldered together but can easily be taken apart. SI2 clarity I color a very nice natural diamond. Please feel free if you have any questions to just ask. Thank you for your time and consideration for stopping by our store.The item "Vintage 14K Yellow Gold Marquise Cut Diamond. 65 CTW Wedding Engagement Ring" is in sale since Tuesday, March 3, 2020. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Diamond". The seller is "psalm119.72" and is located in Wichita, Kansas. This item can be shipped to United States, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Costa rica, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Nicaragua, Pakistan, Paraguay, Canada, South africa, Colombia, Antigua and barbuda, Saint lucia, Barbados, Bermuda, Cayman islands, Sri lanka, Maldives, Oman, Reunion, Montserrat.