Large gemstone in jeweler's hand close up. Gem identifying and evaluating process.
Palabras clave
artificial,
carat,
checking,
closeup,
colorless,
crystal,
diamond,
expert,
gem,
gemstone,
hand,
identifying,
investment,
jeweller,
large,
magnifying glass,
man,
natural,
process,
professional,
quartz,
sapphire,
stone,
trade,
tweezer,
zircon