Richer Than Rubies — Tessa Barclay

When Ivan Digby asks jewellery designer Jo Radcliffe to create a necklace using stones from the priceless Fieldingley Necklace, Jo is intrigued. The rubies were among the first sold abroad after Britain conquered Burma in the 1850s; after all these years, Betsey Fieldingley has had to sell them to clear her debts. But when the rubies are found to be fakes, Jo finds herself under attack and even the rather likeable Tim Fieldingley, Betseys grandson, seems to blame her...