In addition, opinions on a stone’s natural or synthetic origin may be given but are not guarantees. While we will state diamond treatments if known, we cannot guarantee that the diamonds we sell have not been treated. The customer should assume that all coloured gemstones have been subject to treatment unless otherwise stated. Some treatments are permanent whereas others may only be temporary, possibly requiring further re-treatment in order to retain their appearance and/ or durability. There are a number of treatments that are widely used for coloured gemstones. We use a Kee electronic gold tester, however this can only test the surface of the metal. Griffin’s will endeavour to state whether an item is stamped or hallmarked but does not guarantee the purity of metals. Lengths and weights are given as estimates only. Please note that there may be a discrepancy caused by limitations due to the settings and mounts. Carat weights of gemstones are estimated using standard formulae. Viewing will be held at our offices (Griffin’s Auctioneers & Valuers, Harris Road, Warwick CV34 5JU) strictly by appointment only on Thursday 4th May, Friday 5th May and Tuesday 9th May, between 10am and 4pm.Įstimated diamond colours and clarities are not guaranteed by Griffin’s Auctioneers and Valuers. With prices ranging between £5 and £9,500 there is something for every budget! The sale starts at 10am on Wednesday 10th May at our Warwick office (Griffin’s Auctioneers & Valuers, Harris Road, Warwick CV34 5JU). Griffin’s Auctioneers are pleased to announce a new Medals, Militaria, Banknotes, Coins, Jewellery and Watches sale, featuring over 600 wide-ranging lots for auction.

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