The Duchess wore the smaller version of the historic sapphire and diamond parure in 1984 and 1985 at least in public.
Unfortunately the historic Cambridge sapphires and diamond set, consist of the sapphire and diamond cluster tiara, the sapphire and diamond choker, the sapphire and diamond earrings, the sapphire and diamond brooch was also sold and is not in the royal family anymore.
When the founder of the jewel house Moira died in November 2020, it came up to the light, the historic smaller parure fragments are owned by her.
Wild Roses Diamond Tiara Diadem Marylou Whitney on auction in December 2020
The tiara of garland design, featuring floral and foliate motifs pavé-set with old mine, old European, pear, single and rose-cut diamonds, accented with cushion-cut and round rubies. The Silver-Topped Gold, Ruby and Diamond Tiara is offered for auction in 2020 by Sotheby’s