n. 25B6; noun
priceless jewels : GEM, gemstone, (precious) stone, brilliant; baguette; informal sparkler, rock; archaic bijou. See list at gem .
the jewel of his collection : FINEST EXAMPLE/SPECIMEN, showpiece, pride (and joy), cream, crème de la crème, jewel in the crown, nonpareil, glory, prize, boast, pick, ne plus ultra.
the girl is a jewel : TREASURE, angel, paragon, marvel, find, godsend; informal one in a million, a star, the tops; archaic nonsuch.