Jewellery valuing is a complex profession that requires significant education and ongoing training. Image courtesy: Jewellery Valuations Melbourne

Valuers can never be 100 per cent sure of a diamond’s quality unless it is examined as an unset stone. Image courtesy: Jewelry Appraisal Denver

Sentimental value and dollar value are two very different things, and unfortunately valuations can't be a reflection of the sentiment attached to the jewellery.