Kate Middleton wears an unique gold shamrock brooch

[{"selector":"#anim-64ac005a-a000-49f3-bc61-8f152e6ee27c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-3.552713678800501e-15%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-6833155f-d00a-493f-aefc-133e651edaa2","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-763640cd-06b2-4e46-b690-e6a93919d7d2","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] Kate Middleton opted for a vibrant teal outfit instead of traditional green for St. Patrick's Day.

Princess Diana honored a royal custom by wearing a golden shamrock brooch.

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The brooch is not thought to be in the royal family's possession, but is loaned to royal ladies associated with the Irish Guards regiment.

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[{"selector":"#anim-67dc70a0-742f-4e7c-964d-d88693b34820 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate(-10.681818220708294%, 0%) scale(1.5)","translate(0%, 0%) scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-1e779e77-6170-4e6e-8f9a-31e4b7090239","keyframes":{"opacity":[1,1]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-b971f9f5-5f86-4cbc-b56d-dbb38f9b9eb6","keyframes":{"transform":["scale(3)","scale(1)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] The brooch is officially known as the Irish Guards Brooch and features a single emerald set in the center of its leaves.

Only Kate Middleton has worn the shamrock brooch on St. Patrick's Day since 2011.

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The Queen's Shamrock of Ireland brooch has three white gold diamond shamrocks with intricate stem decoration.

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The Irish Guards Brooch is simpler than other Irish/Northern Irish brooches.

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