100% Mark stamp and tested Saudi gold, Light weight. The 18K Has 75% purity of gold and 25% of Mixing other metals.Very pretty in person This can be a Great for gift. Please keep in mind all items may appear larger than actual size in the photos. All items comes with box (not Display Box). All items will come with company tag attached. Yes you can have the item check in accredited Jewelry shop ONLY & NOT in pawnshop if in doubt of authenticity. Please do not TEST the item your self have professional do it with certificate issue. Please Do not Damaged, Broke, Altered the item and return to us. Remember We dont sell Fake, Plated or Filled. Happy shopping and Enjoy your Jewelry. The item "18K 750 Fine Yellow Gold 20 Long Womens Heart Necklace 2.5mm 5.2g Fastship" is in sale since Thursday, February 11, 2021. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Precious Metal without Stones". The seller is "discountedrealgold" and is located in Silver Point, Tennessee. This item can be shipped to United States, Canada, 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, South africa, 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, Colombia, Costa rica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Pakistan, Paraguay, Reunion, Uruguay.