Surprisingly, 18ct White Gold is not actually white! Most 18ct White Gold jewellery receives a plating of Rhodium to whiten the item. "@context": "http://schema.org", The more rigid nature of Platinum makes it a more secure setting for gemstones. }. Platinum is a denser metal than 18ct White Gold. "aggregateRating": { The hardness of Platinum vs White Gold. Registered office: 86 High Street, Ryde, Isle of Wight. It is used in the art, decoration, ornaments, etc. He works most days from their busy Ryde showroom, photographing jewellery and writing for the Serendipity Diamonds website. Platinum is usually very nearly pure, so it is softer than 10-14 kt gold. Showing 18ct White Gold (left) alongside the natural colour of unfinished 18ct White Gold (right). Mark attended Liverpool University and went on to pursue a career in the diamond industry. } Reg. "@type": "Organization", As a result, many buyers favour Platinum over White Gold for reproduction or for vintage-styled engagement rings. This results in 18kt white gold being harder than platinum alloys, which are most commonly 95% platinum. View all posts by Mark Johnson →, Serendipity Diamonds Ltd. It is more difficult to bend out of shape. Do note that these harder Metals also have a tendency to be more expensive (like Platinum). The Embrace engagement ring is durable in both White Gold and Platinum Most items of 18ct White Gold undergo this process once polished. "name": "Serendipity Diamonds", Whilst it may be true that platinum is harder than gold in its purest form, 18kt white gold is mixed with other metals, most commonly palladium, silver and copper to make it harder. Compare Platinum vs Gold on the basis of their different properties If you are at all heavy-handed or clumsy, avoid fine claws or delicate details regardless of whether you choose 950 Platinum or 18ct Gold for your wedding ring. England No. platinum: 3.5: 400–549: 310–500: 299 79: Au: gold: 2.5: 188–216: 188–245: 189 80: Hg: mercury: 1.5: 81: Tl: thallium: 1.2: 26.5–44.7: 82: Pb: lead: 1.5: 38–50: 37.5–41.8 (cast) 83: Bi: bismuth: 2.25: 70–94.2: 70 90: Th: thorium: 3.0: 294–687: 390–1500: 92: U: uranium: 6.0: 1960–2500: 2350–3850 Malleability (how easy it is to bend the metal, and to shape it) Less malleable metals are more brittle. Both Platinum and White Gold are popular choices for engagement rings. Gold metal is mainly used for Jewelry, bullion, coinage, etc. Gold has the greatest ability to be hammered and stretched into long and flat shapes before losing its structural integrity. 2. As a result, the item of jewellery has a mirror-like surface. It is however less malleable, making it ideal for setting diamonds. Style shown – Eclipse available in most precious metals. Other metals add to the overall composition of both metals. 1. Typically Platinum alloys contain either Iridium or Cobalt. Platinum is used in jewellery, laboratory equipment, electrical contacts, dentistry, and automobile emissions control devices. We create most engagement rings, working with Platinum or 18ct White Gold. Platinum picks up scratches more easily. Porosity appears as small bubbles often invisible within the metal. Gold alloys are used in Dentistry as fillings, crowning, clips, etc. Platinum-Cobalt alloy, introduced over 20 years ago, saw production across European and Japanese markets. Owing to the hardness of 18ct White Gold, and the lower malleability of Platinum, there is a fourth metal choice available. This is favourable for both the manufacturer and end client. It is more difficult to bend out of shape. "ratingCount": "537" When you look at metal composition, the differences between each alloy are striking. "ratingValue": "100", 909972870 Platinum and white gold both vary. This means that you will have more success in scratching a bar of gold with a platinum coin than the other way around. Hardness – Platinum is the hardest of the four precious metals. Alloys, Bullion, Coinage, Jewellery, Sculptures, Statues, Chemical Industry, Clothing Industry, Electrical Industry, Electronic Industry, Dentistry, Pharmaceutical Industry, Surgical Instruments Manufacturing, Chemical Stability, Anti Corrosion, Ionization, Chemical Stability, Ionization, Solubility. Made up of a combination of platinum and gold, the new material is apparently 100 times more wear-resistant than high-strength steel, which makes … As a result, many of our clients ask which is better. The underside of an engagement ring in 18ct White Gold, reveals the true colour of the metal over time. Three different versions of 18ct Gold – Yellow, White and Rose shown from above. It is also used as an artificial limb joints. Many clients like to remain faithful to the traditional choices of precious metals. For this reason, we decided to give a little advice on Platinum vs White Gold. For anyone interested in a precious metal immune to a change of colour, we recommend Platinum. The following pie-charts are based upon 18ct Gold and Platinum for comparison. It will lose less metal over years of wear than 18ct Gold, but both metals are extremely hard-wearing. "@type": "AggregateRating", After more than a decade working in polished diamonds, Mark moved to the Isle of Wight where he launched Serendipity Diamonds. Despite their similar appearance, we. The more rigid nature of Platinum makes it a more secure setting for gemstones. Platinum is the rarest metal from the Precious metal categories.. Platinum is hard (twice as hard as Gold), but there are 4 other Metals that are harder! Platinum 3 ring set, mirror polished as part of a bespoke jewellery commission. Although both are precious metals, their composition differs. When platinum was cheap it was used as a convenient hardener for gold. Since we cast most of our engagement rings, reduced porosity is advantageous. Pure 24 kt gold would be soft, but 10, 12, 14 kt gold have very substantial amounts of alloying ingredients (50 % in the case of 12 Kt) that can make the gold alloy quite hard. This dual combination offers natural colouration, with the benefits of both metal choices. Bezel settings withstand heavy wear and re-polish very well. Platinum is less hard than 18ct White Gold. 950 Platinum is 95% pure, whereas 18ct White Gold (stamped 750) is 75% pure. It is the most malleable and ductile metal. Commercially Platinum is produced as a byproduct in ores of nickel. It is found in copper ores and from the crust of the earth. In contrast, it is the surface of Platinum itself which is mirror polished. White gold alloys can be used for different purposes; while a gold-nickel alloy is hard, strong and therefore good for rings and pins, white gold-palladium alloys are soft, pliable and good for white gold gemstone settings. He works most days from their busy Ryde showroom, photographing jewellery and writing for the Serendipity Diamonds website. England, How to Read the GIA Laser Inscription on…, Eclipse available in most precious metals, Most 18ct White Gold jewellery receives a plating of Rhodium, reproduction or for vintage-styled engagement rings. The harder the Metal, the longer it will last. Most striking is the purity of Platinum. Platinum is used as an industrial catalyst in production of nitric acid, silicone and benzene. PO33 2PN. For durability (whether Platinum or White Gold) we recommend bezel settings, or designs featuring heavier claws. The natural colour of White Gold is off-white—almost straw-white. Showing the Fern engagement ring in 950 Platinum, with alternative diamond sizes. Over time, 18ct White Gold loses its Rhodium due to wear. Combining an 18ct Yellow Gold band with a Platinum setting works very well. 18ct Gold, on the other hand, scratches less easily because the metal is … There are two main factors we need to consider in order to answer this. It is however less malleable, making it ideal for setting diamonds. Furthermore, Platinum re-polished back to the original mirror surface with expert re-finishing. Plus, when the Metal gets really hard, it makes it tougher for the Jeweler to work on it. { Mark attended Liverpool University and went on to pursue a career in the diamond industry. Hardness (A metal’s ability to resist surface wear, dents, scrapes and scratches). This alloy produces better castings, with fewer porosity issues, a smoother cast surface, better fluidity and a higher yield. After more than a decade working in polished diamonds, Mark moved to the Isle of Wight where he launched Serendipity Diamonds. Platinum picks up scratches more easily. True Antique engagement rings were typically made in Platinum. This is especially true when features including millgrain appear within the design. Percival Norton Johnson’s first paper, published in 1812 (3), dealt with the action of nitric acid upon platinum alloyed with gold and with silver, and dental applications involving the use of gold-platinum alloys were well established by 1845 (4).