l ▁of ▁K uw ait ▁in ▁recognition ▁of ▁the ▁Pers ian ▁G ulf ▁waters ▁in ▁which ▁many ▁p ear ls ▁have ▁been ▁found . ▁It ▁measures ▁ 2 5 8 . 1 2 ▁gra ins ▁( 6 4 . 5 ▁car ats , ▁ 6 9 . 8 ▁car ats ▁with ▁its ▁diam ond ▁cap ) ▁making ▁it ▁the ▁third - larg est ▁( document ed ) ▁well - formed ▁natural ▁p ear l ▁drop . ▁ ▁In ▁ 2 0 0 4 , ▁a ▁large ▁p ear l ▁named ▁the ▁Pear l ▁of ▁K uw ait ▁was ▁cons igned ▁by ▁an ▁und is closed ▁private ▁family ▁for ▁au ction ▁at ▁Christ ie ' s ▁in ▁London . ▁The ▁Pear l ▁of ▁K uw ait ▁was ▁part ▁of ▁the ▁Pear ls ▁exhibition ▁at ▁the ▁Victoria ▁and ▁Albert ▁Museum ▁in ▁London , ▁which ▁closed ▁on ▁ 1 9 ▁January ▁ 2 0 1 4 . ▁Its ▁own ers ▁have ▁made ▁claims ▁that ▁it ▁is ▁the ▁same ▁p ear l ▁that ▁is ▁dep icted ▁in ▁the ▁port ra its ▁of ▁Mary ▁T ud or . ▁The ▁Pear l ▁of ▁K uw ait ▁out we igh s ▁La ▁Per egr ina ▁by ▁a ▁small ▁amount . ▁ ▁The ▁p ear l ▁is ▁currently ▁on ▁loan ▁to ▁the ▁Smith son ian , ▁who ▁make ▁no ▁claims ▁of ▁its ▁history ▁or ▁proven ance . ▁The ▁Smith son ian ▁does ▁say ▁that ▁it ▁is ▁exception al , ▁that ▁it ▁we igh s ▁ 6 4 . 4 ▁car ats