Then rub it gently with a soft cloth. You should get your jewellery professionally cleaned about two times per year. A professional should always make adjustments or repairs. Though both metals are durable, do not wear your 18 carat gold or platinum jewellery when you are using harsh chemicals or doing heavy labor with materials that could cause scratching or denting. Though strong, these metals are not indestructible. First you need to consider your budget.
Since platinum is quite a bit more expensive, the cost of 18 carat gold versus platinum will most likely be one of the factors in your decision. Consider the durability of both metals compared to your lifestyle and what the piece or pieces of jewellery will endure on a daily basis. Examine your existing pieces of jewellery to see whether 18 carat gold or platinum would be a more suitable match. It tells you how much gold is in your jewellery.
The measurement is on a scale of On this scale, 24K is the maximum and it represents pure gold. All jewellery is therefore made with precious metal alloys, containing set carat weights of gold. The gold carat weights most commonly seen in jewellery are 9K, 14K and 18K:. In the UK, all gold jewellery items above 1 gram in weight must be hallmarked.
Hallmarking means a small stamp imprinted onto your jewellery, stating the carats. Tell me more about this. Mail will not be published. Tags: Guide , hallmark , Hallmarks , Platinum. Unsure of the weight or type of gold you have? No problem! Simply complete our simple online claim form and send us your scrap gold for a free, no-obligation quote.
All rights reserved. Simple Platinum Hallmark Guide. A typical platinum hallmark. Platinum fineness. Assay offices. Standardised UK hallmark date letters from onwards. Convention mark. Moaz says:. January 26, at am. Phil says:. January 26, at pm. David says:. January 27, at am. February 1, at pm. Claire Richards says:. July 11, at pm. Editorial note: the preceding two paragraphs were true at the time they were written, but recent technological advances have produced an alloy of white gold that is pure white, and does not need to be rhodium plated.
This new alloy is called Star White Gold. It is still not widely available, so these paragraphs still apply to most jewelry, but Star White is different. Learn more…. White gold is an alloy of gold and some white metals…the white color is achieved by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. Alloying also effects the second issue. Both pure gold and pure platinum are soft metals. In fact both 24 karat gold and. Nether gold or platinum in their pure state will hold a shine for long.
All white gold jewelry and most platinum jewelry are alloyed. The alloying is also a hardening process for both metals. The more alloy makes white gold a harder metal than alloyed platinum. The hardness issue is important when considering the brightness of the finish. The harder the metal, the more shine the finish will show and hold.
White gold is harder than platinum therefore it holds its shine longer. Platinum does not wear away. Like all precious metals, platinum scratches. However, the scratch on a platinum piece is merely a displacement of the metal and none of its volume is lost.
Platinum achieves a satin finish and maintains it a lifetime. Another minor difference is the weight. Platinum is heavier specific gravity: When you alloy white gold the difference is even greater. The difference on a small ring is small but on a large piece, it is very noticeable.
Both metals are price per gram, so this adds to the higher price of platinum. Price is a big difference between platinum and white gold. Platinum cost 2. Platinum has a higher noble metal percentage in jewelry.
Platinum is harder to work with than white gold. The higher melting temperature makes it more difficult to cast. The platinum solders also flow at higher temperatures. These and other reason make platinum more expensive to work with than white gold. So, the labor cost of platinum jewelry is more also.
Want to see some real-life jewelry in these different metals? You can always come by our shop to touch and see the differences in person. Or, you can checkout some platinum and white gold products available online right here. Hi Merie, good question. Platinum jewelry will generally last longer all things being equal , but it does not maintain a bright, hard finish like 14k white gold jewelry does.
Hi Lorena, thanks for reaching out. Hopefully that helps a little. Is this genuine platinum stamp? The ring weigh 10 grams. Hi Donna, thanks for commenting. Yes, you most likely have a Platinum ring. That said, without seeing the piece in person, we are just trusting the stamp.
I would be happy to confirm the metal for you in person. Swing by the store anytime we are open. How do you confirm the metal content? Is it a destructive process that requires removal of a scratch sample? Hi Gem, great question. As a general rule we never perform destructive tests. Most precious metal pieces can be determined with no damage to the piece. However, if a piece is suspected of possibly being gold plated or gold filled, a small scratch may have to be applied to a discreet portion of the jewelry.
But, this is not the norm, and we would always let you decide if you wanted us to perform this test before we did it. I inherited a ring from my grandmother that is white gold I think. It is marked 14k P What does the P stand for? Hi Lauren, good question. That means that the piece contains exactly You can read more about plum gold in our article on gold purity.
Hello my name is Michael and I was just wondering if you could tell me how much will my gram Raw Gold platinum Nugget be worth? Hi Michael, good question. The price will be determined by how much of each precious metal you have as well as the purity of each metal. If there is any host rock, that weight will be subtracted. Hi Patty, thanks for commenting. There is no such thing as 32ct gold. Since gold is naturally a yellow metal, the more pure you get i. You can read more about gold purity on our article.
Hi Nich, good question. The oxidization can be polished off returning the metal to its natural white color.
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