17 1/2" - 16.5 - 15.75" adjustable. Authentic: Stamps include 1226VI, 18Kt, Italy RC. My items are guaranteed 100% authentic.By Roberto Coin made in Italy. Feedback: My feedback policy has recently changed in order for it to be more beneficial for all involved. The item "Roberto Coin Princess Collection White Gold Diamond Cross 0.15 ct necklace" is in sale since Thursday, October 10, 2019. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Necklaces & Pendants\Diamond". The seller is "luxuryejewelry" and is located in Denver, Colorado. 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, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Mexico, New Zealand, Singapore, Switzerland, Norway, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, 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, Thailand, Israel, Saudi arabia, United arab emirates, Qatar.