The Information You Will Get When You Test Your Gemstones In A Laboratory
Many people will look to have their gemstone jewellery tested when they have inherited it, they need to value it for insurance purposes or to know its value so they can sell it. There are many excellent gemmological laboratories you can have your gems tested at, and the reports they give are all similar. Below are some of the things the report will have details about that will help value the gems, so you know their worth, and you also know what you own.
Information On The 4 Cs
If you have done research on gemstones online, you will undoubtedly hear the term the 4 Cs, and these are characteristics of gemstones that can affect their value. The report of the gemstone test will contain information on these characteristics, which can help to determine their value.
They will list the style of Cut that the gemstone has, and there are various ones such as princess, cushion, round brilliant, and oval, to name but a few. The report will also detail the Colour of the gemstone, and they grade them between 0 and 10. The Clarity is also included in the report, and it may list any significant inclusions the gem has. The final part of the 4 Cs is the carat weight, which is how big the gemstone is. When the 4 Cs have been assessed, this will indicate the gemstone’s value, but the report can also include other information.
Additional Information Contained In The Report
The report will also include other details about the gem, which can help a jeweller determine its value. The additional information can include:
The Type Of Gem: The report will list what type of gem has been tested. This is usually at the top of the certificate before they go through the characteristics of the 4 Cs.
The Origin Of The Gem: Most reports will also include the estimated origin of the gem, and they can often tell this by looking at its chemical composition. An expert can tell the difference between a ruby from Myanmar and one from Australia.
Gem Enhancements: It is common for many gems to be enhanced, and the report will state whether it is 100% natural or whether the gemstone has been enhanced. It will also often give an estimation as to which enhancement technique was used on the gem.
You can find that the report may have a graphic of the gem showing the cut and dimensions, and it may also include the number of facets it has. Armed with your gemstone report, you will be ready to get it insured or take it to sell it, having a better idea of its value.
www.cotslab.com Cuvettes are small glass tubes that have a plug at one end. They are commonly used to extract small samples of liquids, in particular, water and air. They can be found on most hospital lab tables.