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Which is better for jewellery – 9ct and 18ct gold?

18ct is stamped with either 18ct or 750, this means that 75% is made up of pure gold and 12.5% is copper and 12.5 % is silver, whereas 9ct which is stamped either 9ct or 375 is made up of 37.5% of pure gold and 62.5 % of copper and silver. What this means is the 18ct has a more yellow colour and is the colour that we normally associate gold to be, whereas 9ct. has a more copper colour. Further because 18ct has more pure gold, it is also about 40% denser than 9ct, which makes it a better wearing metal.

18ct gold is harder than 9ct

Contrary to popular belief 18ct is harder than 9ct gold. Metal hardness is measured by the Vickers scale. 18ct has a Vickers hardness of 125 and 9ct has a hardness of 120. This shows 18ct as being harder and better wearing.

What is the difference between white gold and platinum?


White gold and Platinum are two different metals and have different properties. 18ct white gold is made from 75% pure gold and 25% silver and palladium (an alloy which turns the metal white). Platinum used in rings is made from almost 100% pure platinum (95%). Because it is a heavier and denser material it not only weighs more, but is a better wearing metal and will last longer. The other benefit of platinum is that it does not need to be rhodium plated as white gold does. Because 18ct white gold is still made up from 75% pure gold, in its natural state, it still has a slight residual yellow tinge. Therefore new rings are coated with a white solution called rhodium. The rhodium plating is used to make the white gold look white. Depending on how the ring is worn this coating can last from one year to three years. Click here to read more about the pros and cons between white gold and platinum.


How should I clean my diamond?

To be sure your diamonds always sparkle, it is important to clean them periodically. Here are some recommended methods:
  • Professional Cleaning This is the best option. We ask that you come and see us at least once a year to have your Xennox Diamonds Ring cleaned and checked by our jewellers.
  • Mild Liquid Detergent Soak your jewellery in a small bowl of warm, soapy water made with any mild liquid detergent and household ammonia. Gently brush the diamond jewellery with a soft toothbrush while it is in the suds. Then, rinse each piece under warm running water. Make sure to always stopper your sink.
  • Jewellery Cleaners We have a range on jewellery cleaners for sale, that range from a solution only to a cleaner with battery operated ultrasonic that vibrates to clean the ring.
  • Vodka on the Rocks No one is sure how it was actually discovered, but it is safe to say that at some point someone took the idea of a “vodka on the rocks” literally and discovered an imaginative way to clean their precious diamonds. Simply let the diamond soak in a glass of vodka. Preferably one you do not intend to drink.
  • Our blog post also has some great tips on cleaning your jewellery

How do I find her ring finger size?

There are a number of ways to find out her finger size;
  • Make an Impression in a bar of soap
  • Trace the inside of the ring onto a piece of paper
  • Place the ring on your finger as far as it will go and then mark it with a pen
  • Have a friend of hers ask her finger size as a matter of curiosity.
  • The safest way is to try and bring in one of her rings under the idea, that you are having it cleaned and checked.
  • Ask the jeweller for a ring sizing kit, these are often disposable, and will keep her away from the jewellery store.

What should my engagement ring budget be?

Everyone has a different engagement ring budget based on their personal circumstances. There is no right or wrong amount, and it will vary from couple to couple. While planning a wedding can be an expensive time, It is always good to remember that your reception and honeymoon quickly become a memory, while the rings will last you your lifetime. Your engagement and wedding rings are one of the few things that you will carry with you forward from your wedding day.

 Engagement Ring Budget Guide

While most industry guides recommend to spend two months salary, ideally you want to spend as much as comfortable for you (plus 10%). That way you will always look back and know that what ever your engagement ring budget was, you got the best diamond ring you could.