A woman in Scotland kept a diamond ring hidden in a drawer for half a century without knowing whether it was valuable or where it had come from. When she finally contacted Christie’s in 2007, a jewellery specialist discovered an exceptional 7.81-carat fancy greyish-blue diamond that was worth far more than she had imagined. The ring, initially estimated at £300,000 to £400,000, eventually sold at auction for £2,596,000. The unexpected discovery became one of the memorable finds recalled by Christie’s jewellery experts.
How a forgotten diamond ring became a £2.6 million discovery
The remarkable discovery began with an ordinary telephone call. According to Christie’s account, published on 5 May 2026, the woman contacted the auction house’s London jewellery department after seeing a newspaper advertisement offering valuations. She was previously unknown to the company and wanted to find out whether the ring she had kept for decades had any financial value.The woman had stored the ring in a drawer for 50 years. During that time, she had no clear information about its origins and did not know whether the diamond was worth anything. What appeared to be an unremarkable piece of forgotten jewellery eventually attracted the attention of specialists who recognised its significance.Christie’s sent a senior jewellery specialist to visit her in Scotland. Max Fawcett, the auction house’s global head of jewellery, later recounted the discovery in the company’s article about valuable objects uncovered through first-time clients. The specialist examined the stone and quickly realised that it was something special.
What made the blue diamond so valuable
The diamond was identified as a fancy greyish-blue stone weighing 7.81 carats. Its unique colour, substantial size and exceptional character distinguished it from an ordinary diamond ring.Diamonds are often valued according to several factors, including their size, colour, clarity and overall quality. Coloured diamonds can be particularly sought after, especially when their colour and characteristics make them different. In this case, Christie’s specialist recognised the stone’s importance during the initial examination.The distinction between an ordinary diamond and a rare coloured gemstone can have a considerable effect on its market value. However, the woman had no reason to suspect that the ring she had left in a drawer for decades would attract such attention.Christie’s initially estimated the ring at between £300,000 and £400,000. According to Fawcett’s account, the client struggled to believe the valuation.
The ring exceeded its original estimate
After the assessment, Christie’s accepted the diamond ring for sale at auction. The final result was £2,596,000, more than six times the upper end of its original estimate. Fawcett recalled that the woman was thrilled with the outcome, although she also wished she had contacted Christie’s earlier. The story illustrated the potential consequences of leaving jewellery unexamined simply because its history or value is uncertain.
Other forgotten treasures have surprised Christie’s specialists
The blue diamond was not the only valuable object to emerge from an unexpected valuation enquiry. Christie’s described several other cases, showing how family possessions and long-neglected collections can contain items of considerable importance.In another case, a man contacted the jewellery department about old family jewels that had belonged to his grandparents. Among boxes of gold trinkets, specialists discovered a small piece of tissue paper wrapped around a cushion-cut blue diamond. A note accompanying the stone recorded a value of £65,000 in 1965.Further examination identified it as a 7.97-carat fancy intense blue diamond. When it was sold at Christie’s in Geneva in May 2017, it achieved CHF 12,527,500, equivalent to around $16 million at the time.A separate enquiry in Belgium led to the discovery of a ruby and diamond brooch with an important royal history. Research connected it to jewellery associated with the French crown jewels auction held at the Louvre in 1887. The brooch eventually sold for CHF 250,000 in November 2021.Christie’s uses specialist assessments to help owners understand the potential value of their possessions before deciding whether to sell them. The company says prospective clients can request estimates through digital or in-person channels, including telephone enquiries and its online valuation service. The process depends on the item meeting the relevant minimum consignment value.Not every old possession will prove to be a rare treasure, but the ring’s story shows how easily an important object can remain overlooked.
