▁g aps ▁between ▁the ▁same ▁major ▁mil est ones . ▁In ▁ 2 0 1 7 ▁the ▁ 6 5 th ▁anni versary ▁of ▁the ▁acc ession ▁of ▁Elizabeth ▁II ▁was ▁widely ▁referred ▁to ▁as ▁her ▁" s app hire ▁j ub ile e " ▁or ▁more ▁specifically ▁as ▁her ▁blue ▁sa pp hire ▁j ub ile e ▁( see ▁S app hire ▁J ub ile e ▁of ▁Queen ▁Elizabeth ▁II ) ▁ ▁but ▁more ▁tradition ally ▁the ▁sa pp hire ▁anni versary ▁is ▁considered ▁to ▁be ▁the ▁ 4 5 th . ▁In ▁general ▁usage ▁no ▁pre cious ▁stone ▁is ▁considered ▁to ▁out rank ▁the ▁diam ond . ▁▁▁ ▁An cient ▁Greek ▁myth ic - c ult ural ▁cosm ology ▁dep icted ▁a ▁decl ine ▁from ▁a ▁golden ▁age ▁to ▁a ▁silver ▁age ▁followed ▁by ▁an ▁Iron ▁Age . ▁In ▁some ▁variants ▁there ▁is ▁a ▁bronze ▁age , ▁an ▁inter im ▁between ▁the ▁Iron ▁Age ▁and ▁Silver ▁Age . ▁ ▁In ▁Japan , ▁the ▁traditional ▁Sho ▁Ch iku ▁B ai ▁( 松 竹 梅 ) ▁ranking ▁system ▁has ▁a ▁hierarchy ▁of ▁p ine ▁, ▁b am bo o ▁, ▁and ▁pl um ▁. ▁ ▁This ▁is ▁commonly ▁used ▁by ▁restaur ants ▁to ▁indicate ▁how ▁elaborate ▁( and ▁expensive ) ▁set ▁me als ▁are . ▁ ▁Modern ▁adapt ations ▁The ▁measurement ▁of ▁sales ▁of ▁popular ▁music ▁starts ▁high ▁relative ▁to ▁the ▁wed ding ▁anni versary ▁scale , ▁concentr ating ▁on ▁gold ▁and ▁plat in um ▁( see ▁gold ▁album ). ▁ ▁Like wise