yellow citrine necklace donated to new smithsonian exhibit showcases smithsonian museum gift the hope diamond smithsonian insution christmas gift to the smithsonian museum new christmas crutch enamel brooch pin cooper hewitt launches get set in ancient dna reveals who wore this 20 smithsonian gem gallery tour takes a surprising stories behind the jewels khmerican jewellery edoeyen at gifts for national gem collection gifts from the susan grant lewin