Christopher Polk/Variety/Shutterstock
Taylor Swift
Lorraine Schwartz Colombian emerald and titanium hoop earrings.
Jordan Strauss/Invision/AP/Shutterstock
Lady Gaga
Lorraine Schwartz diamond chain necklace with emerald pendant and emerald drop earrings.
Chelsea Lauren/BEI/Shutterstock
Zoe Kravitz
Lorraine Schwartz square emeralds with black rhodium-plated gold detailing.

