ANTIQUE DIAMOND BROOCH CLASP of openwork design, the lozenge-shaped plaque set throughout with cushion-shaped diamonds, centering upon a pear-shaped diamond quatrefoil motif, with diamond foliate terminals, mounted in silver and gold, circa 1890, 6.0 cm long, with pendent hoop and detachable brooch fittings. Auctioned at Christies' Geneva sale, 20 November 2008 and probably the wedding gift of her parents in law.

The King's Royal Rifle Corps - Presented their badge in diamonds The Scotsman, February 22, 1922

Pair of Feather brooches - 18thc could it be part of the Clanricarde diamonds.

The City of Liverpool Diamond Bracelet
A shilling fund was established by the Lord Mayor of Liverpool. A total of 10,842 shillings (£542 2s.) was raised and the Princess indicated that she would be pleased to accept the gift in the form of personal jewelry. A plain diamond bracelet which was largely the work of jewellers of the city of Liverpool was selected as the gift by the Princess. It was presented to the Princess by the Lord Mayor in the Throne Room, Buckingham Palace.
Sources: The Times, 29 December 1921; 06 January 1922; 06 February 1922;

Girl Guides' Wedding Gift
The gift of the Girl Guides to their President, Princess Mary, was their Tenderfoot Badge-the trefoil--carried out in diamonds and rubies and made into a brooch. It was made by Messrs. Dibdin of Sloane-street. In addition to the brooch, they presented a silver cheese tray. It was made in London in 1764 by John Parker and Edward Wakelin.
Sources: The Times 09 February 1922

The Brigade of Guards Diamond Pendant
The diamond pendant presented by the Brigade of Guards bears the badges of the Grenadier, Coldstream, Scots, Irish and Welsh Guards. It was made by Messrs. Garrard, the Crown Jewellers. (ILNWN)