These are the necklace and sapphire brooch from the Craven sale catalogue
--Previous Message-- : The Duchess also owned a large number of : personal gems including insect brooches : which were each year an Anniversary present : from her husband (His wedding present had : been a yellow and white diamond butterfly : brooch) a turquoise and diamond necklace : bought from the auction of Cornelia Countess : of Craven in the early 1960s and many many : other items which were displayed in the : exhibition at Chatsworth in 2010 to : celebrate her 90th birthday : : --Previous Message-- : : : The dowager duchess wore the smaller of the : Devonshire tiaras to the Queen's Coronation : in 1953. She was likely the only duchess in : attendance wearing the family's second-best : tiara. This was due to her mother-in-law : Mary having a highly visible role during the : ceremony - Mistress of the Robes. : : : : : : : This tiara was worn by the current duchess : as a bride. : : : Her Grace also wore the tiara as a necklace. : : : : : : Some of the motifs were also worn as : brooches. : : : : : : I must run for now, but I'll have more later : this evening. : : : :