{"id":507,"date":"2013-07-29T02:53:21","date_gmt":"2013-07-29T02:53:21","guid":{"rendered":"http:\/\/julianajewellery.com.au\/?p=507"},"modified":"2019-08-22T10:40:57","modified_gmt":"2019-08-22T00:40:57","slug":"what-does-18ct-stamped-on-my-jewellery-mean","status":"publish","type":"post","link":"https:\/\/julianajewellery.com.au\/?p=507","title":{"rendered":"What does 18ct stamped on my jewellery mean?"},"content":{"rendered":"

18ct is a measure of the amount of pure gold used to make the piece of jewellery.<\/p>\n

Pure (fine) gold is measured as 24ct and represents 100% gold.\u00a0 Pure gold is very soft so is unsuitable for jewellery as it would mark easily, the claws holding gemstones would bend easily as well.<\/p>\n

18ct represents 18\/24 or 75% of pure gold.\u00a0 Yellow gold has other additives such as Silver, Copper and Zinc.\u00a0This purity of gold and the additives keeps it malleable, that is allows it to bend but is stronger so keeps its shape.\u00a0 It also doesn\u2019t mark so easily.\u00a0 Yellow Gold displays a lovely warm gold colour.<\/p>\n

There is also 18ct White Gold which has additives such as Nickel, Copper and Zinc.\u00a0 These metals retain the white colour of the gold.\u00a018ct Rose Gold was often used in antique jewellery and became popular again 20 years ago.\u00a0 It has more Copper and less Silver than Yellow Gold to enhance the pink colour.<\/p>\n","protected":false},"excerpt":{"rendered":"

18ct is a measure of the amount of pure gold used to make the piece of jewellery. Pure (fine) gold is measured as 24ct and represents 100% gold.\u00a0 Pure gold is very soft so is unsuitable for jewellery as it would mark easily, the claws holding gemstones would bend easily as well. 18ct represents 18\/24 or 75% of pure gold.\u00a0 Yellow gold has other additives such as Silver, Copper and Zinc.\u00a0This purity of gold and the additives keeps it malleable, that is allows it to bend but is stronger so keeps its shape.\u00a0 It also doesn\u2019t mark so easily.\u00a0 Yellow Gold displays a lovely warm gold colour. There is also 18ct White Gold which has additives such as Nickel, Copper and Zinc.\u00a0 These metals retain the white colour of the gold.\u00a018ct Rose Gold was often used in antique jewellery and became popular again 20 years ago.\u00a0 It has more Copper and less Silver than Yellow Gold to enhance the pink colour.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-507","post","type-post","status-publish","format-standard","hentry","category-gold","cat-3-id"],"yoast_head":"\nWhat does 18ct stamped on my jewellery mean? - Juliana Jewellery Brisbane<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/julianajewellery.com.au\/?p=507\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What does 18ct stamped on my jewellery mean? - Juliana Jewellery Brisbane\" \/>\n<meta property=\"og:description\" content=\"18ct is a measure of the amount of pure gold used to make the piece of jewellery. Pure (fine) gold is measured as 24ct and represents 100% gold.\u00a0 Pure gold is very soft so is unsuitable for jewellery as it would mark easily, the claws holding gemstones would bend easily as well. 18ct represents 18\/24 or 75% of pure gold.\u00a0 Yellow gold has other additives such as Silver, Copper and Zinc.\u00a0This purity of gold and the additives keeps it malleable, that is allows it to bend but is stronger so keeps its shape.\u00a0 It also doesn\u2019t mark so easily.\u00a0 Yellow Gold displays a lovely warm gold colour. There is also 18ct White Gold which has additives such as Nickel, Copper and Zinc.\u00a0 These metals retain the white colour of the gold.\u00a018ct Rose Gold was often used in antique jewellery and became popular again 20 years ago.\u00a0 It has more Copper and less Silver than Yellow Gold to enhance the pink colour.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/julianajewellery.com.au\/?p=507\" \/>\n<meta property=\"og:site_name\" content=\"Juliana Jewellery Brisbane\" \/>\n<meta property=\"article:published_time\" content=\"2013-07-29T02:53:21+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-08-22T00:40:57+00:00\" \/>\n<meta name=\"author\" content=\"Julie Day\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Julie Day\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/julianajewellery.com.au\\\/?p=507#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/julianajewellery.com.au\\\/?p=507\"},\"author\":{\"name\":\"Julie Day\",\"@id\":\"https:\\\/\\\/julianajewellery.com.au\\\/#\\\/schema\\\/person\\\/aef6196dffe11ac7f280f4209b1df925\"},\"headline\":\"What does 18ct stamped on my jewellery mean?\",\"datePublished\":\"2013-07-29T02:53:21+00:00\",\"dateModified\":\"2019-08-22T00:40:57+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/julianajewellery.com.au\\\/?p=507\"},\"wordCount\":168,\"publisher\":{\"@id\":\"https:\\\/\\\/julianajewellery.com.au\\\/#organization\"},\"articleSection\":[\"Gold\"],\"inLanguage\":\"en-AU\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/julianajewellery.com.au\\\/?p=507\",\"url\":\"https:\\\/\\\/julianajewellery.com.au\\\/?p=507\",\"name\":\"What does 18ct stamped on my jewellery mean? 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