Treatment of coloured stones to enhance their colour and clarity is a centuries -old practice. However, it appears to have taken on a new dimension in recent years, driven partly by advances in technology. Marie Chalmers DGA, FGA  a tutor for the Education and Training  division who delivers the “Understanding Coloured Gemstones” course at  Assay Office Birmingham explains more. ANTIQUE JEWELLERY The disclosure of glass filled rubies is not only an issue for retai…

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Yesterday, a VIP Jewellery, Watch & Silverware Valuation Day took place here at Assay Office Birmingham. The new VIP valuation service was very well received and there was a great turnout for the Event Day. Craig O'Donnell VIP Valuer said:  “With the price of precious metals still remaining relatively high in comparison to where it was ten years ago, and fashion and rarity pushing the price of some vintage brands up rapidly, it is well worth knowing the replacement value …