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"Joyas" is a form of "joya", a noun which is often translated as "piece of jewelry". "Diamantes" is a form of "diamantes", a plural noun which is often translated as "diamonds". Learn more about the difference between "joyas" and "diamantes" below.
la joya(
hoh
-
yah
)A feminine noun is almost always used with feminine articles and adjectives (e.g., la mujer bonita, la luna llena).
1. (ornament)
a. piece of jewelry (United States)
Regionalism used in the United States
Empeñé mi reloj y una joya.I pawned my watch and a piece of jewelry.
b. piece of jewellery (United Kingdom)
Regionalism used in the United Kingdom
El tasador dijo que esta joya vale $20,000.The assessor said this piece of jewellery is worth $20,000.
c. gem
La duquesa guarda todas sus joyas en la caja fuerte.The duchess keeps all her gems in the safe.
los diamantes(
dyah
-
mahn
-
tehs
)A plural noun indicates that there is more than one person, place, thing, or idea.
a. diamonds
En ese caso, gana el jugador que tenga el as de diamantes.In that case, the player with the ace of diamonds wins.
el diamante
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
2. (jewel)
a. diamond
La corona está incrustada de diamantes y otras piedras preciosas.The crown is incrusted with diamonds and other gemstones.
3. (sports) (Latin America)
Regionalism used in Latin America: all the countries in South America, Central America, and the Caribbean. Does not include Spain.
a. diamond (baseball)
Los jugadores se colocaron en el diamante.The players found their places on the diamond.