Queen Mary's Ruby Diamond Bracelet-Brooch. A wedding gift when she married the Duke of York in 1893. It is a ruby and diamond bracelet incorporating a detachable centerpiece in the shape of a rose. Queen mary presented this bracelet to Elizabeth II as a wedding gift in 1947.
Anhalt opal honeysuckle tiara. Either the original version of this tiara was entirely diamonds where flowers predated the hanging opal drops, or this is an adaptable tiara with multiple forms - see Diamonds III for the all-diamond version and the Tiaras - Adaptable for both forms.