Gems adjectives are listed in this post. Each word below can often be found in front of the noun gems in the same sentence. This reference page can help answer the question what are some adjectives commonly used for describing GEMS.
ancient, antique, architectural, artificial, beautiful, blue, bright, brightest, brilliant, certain
choicest, colored, coloured, costly, countless, crystal, dewy, engraved, exquisite, few
fine, finest, great, green, hidden, large, liquid, literary, little, many
more, new, other, perfect, poetic, polished, precious, priceless, purest, radiant
rare, rarest, real, red, rich, richest, semiprecious, small, sparkling, starry
such, true, uncut, undiscovered, valuable, various, white
Hope this word list had the adjective used with gems you were looking for. Additional describing words / adjectives that describe / adjectives of various nouns can be found in the other pages on this website.
Lustrous