There is regular research carried out and this is referred to, in the trade as, jewellery industry analysis. This research is carried out on a regular basis and it takes into account the number of customers and the appraisals that are carried out on stolen, damaged or lost jewellery. It is very common for people to ask for appraisals to be carried out on the jewellery without actually seeing it. The jewellery industry analysis is usually carried out based on the recollection of what it looked like.
There are a lot of jewellery industry analysis’s that are creditable. The insurance companies need the jewellery policy and this is based on the jewellery industry analysis. This analysis has to be done by jewellers who are highly skilled and have been trained in the Gemological Institute of America; this institute is responsible for issuing the appraisals. Because all of these people have been trained by the same institute this means that they have all been trained in exactly the same way and this means that the appraisals are all done to the same standard.
Most of the insurance companies do not request that the appraisals are carried out by someone who has been trained through the Gemological Institute in America however it is always best to get someone with credentials to do your appraisals. The appraisals need to cover a wide range of things and they should include the content of precious metal, its karat purity and the colour of the jewels. Gemstones and diamonds should also be described in terms of carat weight, shape, colour, cut grade and clarity. Some diamonds are pre-certified by laboratories that specialise in grading and they should be accompanied with a certificate when they are purchased and this will make it far easier to conduct an appraisal.