A sapphire and diamond necklace and earring suite, by Michele della Valle

The articulated bib necklace set with inverted circular-cut sapphires and courses of brilliant-cut diamonds, the pair of pendent earrings en suite, maker's mark 'MdV' and numbered, diamonds approximately 6.80 carats total, earrings can be worn as earclips, necklace length 40.0cm., earring length 7.8cm. (2) - Sold for £13,000 plus Premium and tax  

Bonhams. Fine Jewellery, 6 Dec 2007. New Bond Street