This is actually a fairly open-ended question; I find it’s best to customise it to the needs of each customer who comes to see me and go from there.
If you are wearing predominantly yellow, rose or white metal jewellery then the decision is easier, as you already have a colour and aesthetic style that you will be matching. For example, if we have white as the colour of choice we have 2 major options: 1: Platinum or another platinum group metal (palladium), 2: White gold.
Why Platinum? Why White gold?
Platinum is usually found in a purity of 95% (950/1000) in most modern jewellery, it is common to find it alloyed to 90% (900/1000) and even 85% (850/1000). The advantages of platinum are that it is a very dense material that behaves differently to gold and its alloys when worn. Platinum alloys generally weigh about 30-50% more than gold alloys, so for any ring that weighs 5 grams, expect the same platinum ring to weigh 6.5-7.5 grams depending on the gold alloy used. Platinum rings tend to last a very long time because of this, and can be made slightly finer as a result, if you look at vintage platinum jewellery and compare it with similarly aged gold jewellery you will see that the platinum is usually in better condition as it still has its original parts without repair etc.
White gold is an alloy using fine gold (375/585/750 parts out of 1000 for 9/14/18ct respectively) usually with a mix of gold with additional parts of palladium, silver and copper in differing percentages to give us a soft white colour, this is then plated with rhodium which gives a lustrous white finish. The rhodium plating does wear off with daily usage and you will need to re plate it after polishing every 1-3 years depending on usage.
A sample image of raw platinum granules is in the image below:
This is the metal that is melted down and used to make a piece of jewellery, either by hand fabrication or by casting methods.
If you are interested in having us make something for your engagement ring, come in and have a no obligation friendly chat in our store in located on level 4 of the Dymocks building, Sydney.
You can find some examples of previous work here https://www.erebounijewellery.com.au/rings
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